If the entire population of the United States forms a human chain by holding hands, 7 times can such a chain be wrapped around the earth's equator.
Calculation :Assuming that the size of the earth is 4 X [tex]10^{7}[/tex] meters
The average distance between palms of the 300 million Americans (3X[tex]10^{8}[/tex]) is one meter.
3X[tex]10^{8}[/tex] persons in a human chain at a length of 1 meter each = 3X[tex]10^{8}[/tex] meters
chain divided by the diameter of the earth: (3X[tex]10^{8}[/tex]) / (4 X [tex]10^{7}[/tex]) = 7.5 times
However, because we are only estimating in this section, any response between 5 and 15 is accepted as being correct.
Hence, 7 times can such a chain be wrapped around the earth's equator.
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What is the cause of the lunar phases (i.e. why doesn't the moon look the same every day)?
The Moon's orbit around the Earth makes different amounts of the Moon's illuminated side visible to Earth. About two hours after sunrise, I notice the moonset on my way to work is the cause of the lunar phases.
As the Moon orbits our planet, its changing position means that the Sun illuminates different regions, creating the illusion that the Moon is changing shape over time. The best way to understand the phases of the moon is to go outside on a clear night when the moon is in the sky and watch it regularly.
The moon itself does not emit light. It is lit by the sun. As the Moon orbits the Earth, the illuminated portion of the Moon that we see changes, creating lunar phases.
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help me please help me please.l
Impact of depletion of land
Impact of depletion of land Beyond the loss of agricultural land, soil erosion has other negative repercussions. In streams and rivers, it has increased pollution and sedimentation, blocking these waterways and resulting in a loss in fish and other species. Additionally, deteriorated soils are frequently less able to retain water, which can make floods worse.
The portion of Earth's solid surface that is not always covered by water is known as the "land" or "ground."
Land degradation is a process in which a number of human-caused processes working on the land reduce the value of the biophysical environment. It is understood to be any alteration or disturbance to the land that is either harmful or unwanted. Natural disasters are not considered a cause, but human actions can have an indirect impact on events like floods and bushfires. Resource depletion is the state in which natural resources are being used up more quickly than they can be regenerated. Developing nations misuse their lands for economic gain in an effort to attain economic progress.
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The weathering of rocks in zion and bryce canyons takes place by ___.
The weathering of rocks in Zion and Bryce canyons takes place by both physical and chemical weathering.
What is weathering?Rocks, soils, minerals, wood, and manmade materials all deteriorate due to weathering when they come into touch with water, air gases, and living things.The process of weathering's contribution to soil formation is arguably its most significant feature.Weathering comes in three flavors: physical, chemical, and biological.Weathering can be facilitated by wind, water, ice, plants, gravity, and temperature variations.Things become fragmented via weathering. Erosion is the process through which soil or rock fragments move to new sites. Different landforms can alter in size, shape, and texture due to weathering and erosion (such as mountains, riverbeds, beaches, etc).Learn more about Weathering here:
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In 2011, a major earthquake and tsunami destroyed much of the capital infrastructure in japan. those natural disasters were examples of a?
In 2011, a major earthquake and tsunami destroyed much of the capital infrastructure in japan. those natural disasters were examples of negative shocks to the long-run aggregate supply curve.
Lifeline infrastructure such as electricity, water, sewage, and gas was also damaged. Such services were quickly restored in most of the affected areas, but at the time of writing, the most affected coastal areas of Tohoku Japan still lack such services.
The Tohoku tsunami produced waves up to 40 meters high. The tsunami left him homeless over 450,000 people. Over 15,500 people died. The tsunami also severely paralyzed the country's capital infrastructure.
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How does an ecological footprint impact population numbers?
Population density can affect the size of the average ecological footprint of a person. A low population density means that there is a lot of land area per person in that country. More land area and resources may be available for a person to use in his/her lifestyle.
Explanation:
Hope it helps you!!Find the mean, median, and mode of (2,3,5,5,7,7,7,8,9,10)
Answer:
the median 7 the mean is 6.3 and themode is 7
Explanation:
Opponents of a bill may delay or slow its process by asking many irrelevant questions, debating earlier bills for a lengthy time, or proposing many amendments. what is this strategy called?
Answer:
filibuster is the correct answer
Explanation:
filibuster is an effort to hold the floor in order to prevent action on a bill
The process used to produce either surface or secreted forms of the immunoglobulin heavy chain is called:_____.
The process used to produce either surface or secreted forms of the immunoglobulin heavy chain is called alternative RNA processing.
What is RNA processing?In molecular biology, RNA splicing is the process by which a freshly created precursor messenger RNA transcript is changed into a mature messenger RNA. Exons are rejoined after all introns have been removed in order for it to function.A crucial process in gene expression known as precursor mRNA (pre-mRNA) splicing removes intronic regions from immature mRNA, resulting in the generation of mature mRNA that can be translated into protein.Cis-elements (ESE, ESS, ISS, and ISE) and trans-acting splicing factors control splicing (SR proteins, hnRNP, and unknown factors). The massive ribonucleoprotein complexes called spliceosomes are responsible for catalyzing the successive phosphodiester transfer events required for splicing.Learn more about RNA processing here:
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Which atmospheric layer is typified by a relatively small change in temperature?
Stratosphere atmospheric layer is typified by a relatively small change in temperature.
Let's find out. Air is considered unstable in the lowest atmospheric layer of the air mass if it is warmer and/or more humid than the surrounding air. In this case, the air rises because this air mass is warmer than the surrounding air. In unstable environments, the weather can change suddenly and become violent.
Clouds are expected to develop an atmospheric layer vertically if unstable air masses must move up the mountainside. The lenticular clouds standing over the mountains indicate turbulence. Cumulonimbus clouds are associated with maximum turbulence.
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examples of the 5 themes of geography for Barcelona,Spain
Please help due soon.
Religious differences were not a cause of recent conflict in the Balkans.
The definition of non-secular is someone or something believing in or related to religion. An example of a non-secular is a church choir. An example of religion is a person who goes to church every Sunday and reads the Bible each day.
A hard and fast of ideals concerning the cause, nature, and cause of the universe, in particular when considered as the advent of a superhuman employer or agencies, typically regarding devotional and formality observances, and frequently containing an ethical code governing the conduct of human affairs.
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The layers of earth's geosphere are defined based on which two sets of characteristics? (select two)
The layers of earth's geosphere are defined based on chemical composition and physical properties.
Chemical composition and physical properties are used to categories the strata that make up the geosphere. The layer of Earth comprised of solid rock and other hard materials is known as the geosphere. But it's also a good idea to start thinking about the geosphere from the stratosphere.
It is easiest to think of the geosphere as any portion of the solid, physical Earth that is not the hydrosphere (such as the water found in oceans, lakes, and rivers) or the atmosphere (the layer of gases that separates the ground from space). The crust, which characterizes the earth's rigid outer layer, is often used interchangeably with the term geosphere.
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help me please help me please.l
Answer:
The answer is C metalloid.
Explanation:
In a typical weathering sequence, rocks break down into secondary minerals which further undergo physical and chemical weathering to form primary minerals. true false
False, In a typical weathering sequence, rocks break down into secondary minerals which further undergo physical and chemical weathering to form primary minerals.
Weathering is the degradation of rocks, soil, and minerals as well as wood and man-made materials due to exposure to water, atmospheric gases, and biological organisms. Weathering occurs in situ (in situ, with little or no movement) and is therefore distinct from erosion, which involves the transport of rocks and minerals by agents such as water, ice, snow, wind, waves, and gravity force.
Weathering processes are divided into physical and chemical weathering. Physical weathering refers to the breakdown of rocks and soils by the mechanical action of heat, water, ice, or other agents. Chemical weathering involves the chemical reaction of water, atmospheric gases, and biological chemicals produced with rocks and soil. Water is a major contributor to physical and chemical weathering, although atmospheric oxygen and carbon dioxide and the activities of biological organisms are also important. Chemical weathering by biological action is also known as biological weathering.
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In order for sediment to be transformed into rock, what processes must take place? question 2 options: melting and spreading crystallization and solidification weathering and erosion compaction and cementation
Answer:
I think the correct answer from the choices listed above is option D. In order for sediment to be transformed into rock, compaction and cementation processes should take place. After these processes, the sedimentary sequence has changed into a sedimentary rock. Hope this answers the question.
which is best describes the purpose of the European union
geography 9th
To help foster peace and economic collaboration among European nations best describes the purpose of the European Union.
The targets of the European Union inside its borders are: to promote peace, its values, and the nicely-being of its citizens. Provide freedom, security, and justice without internal borders, at the same time as also taking appropriate measures at its external borders to adjust asylum and immigration and save you, and combat crime.
The European Union is largely an alliance among countries of Europe to foster an economic boom thru a shared marketplace and currency. The European Union is a completely unique partnership between 27 ECU nations, called the Member States, or ECU international locations. Collectively they cowl much of the ECU continent. The ECU is home to around 447 million people, that's around 6 % of the arena's population. Citizens of the European nations are also European Union citizens.
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Fractures along which rock has slipped relative to the other side are called ______, whereas
Fractures along which rock has slipped relative to the other side are called faults.
What is a fracture in rock?Any division in a geologic formation, such as a joint or fault that splits the rock into two or more pieces, is referred to as a fracture. Sometimes a rock's deep crack or crevice will result from a fracture.All tectonic fractures fall into one of two mechanical categories, extension fractures or shear fractures, depending on the relative displacement across the fracture plane.Physical weathering occurs when rocks stretch and contract as a result of hot and cold temperature cycles. Rainwater may also freeze and expand in fissures in the rock. Rocks gradually start to crack and fragment as a result of these processes. Sometimes a rock's deep crack or crevice will result from a fracture.Learn more about rock fracture here:
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The act of removing infested plant parts (fallen twigs, leaves, and fruit) from a landscape in an effort to prevent a buildup of a pest population is known as _______.
The act of removing infected plant parts (fallen twigs, leaves, and fruit) from a landscape in an effort to prevent a buildup of a pest population is known as Pruning.
What is Pruning?Pruning is a horticultural, arboricultural, and forestry technique that involves removing particular plant parts, like branches, buds, or roots, with care.The procedure entails selectively removing plant material from crop and landscape plants that is diseased, damaged, dead, ineffective, structurally unsound, or otherwise unwanted.Generally speaking, the easier it is for a woody plant to compartmentalize the incision and reduce the risk of pathogen penetration and decay, the smaller the branch that is cut. Therefore, it is preferable to prune young plants during their formative stages rather than removing big, awkwardly placed branches from adult plants.Deadwood removal, shape (by directing or limiting growth), enhancing or maintaining health, and lowering risk from falling branches are a few reasons why plants should be pruned.Learn more about pest population here:
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In a factorial experiment, each combination of different levels of the factor is called a(n)?
In a factorial experiment, each combination of different levels of the factor is called a treatment.
Each combination of the various degrees of the factor in a factorial experiment is referred to as a treatment. The term "factorial experiment" refers to an experiment whose design includes two or more factors, each having discrete possible values or "levels," and whose experimental units take on all possible combinations of these levels across all such factors.
Also known as a fully crossed design, a full factorial design has several factors. This kind of factorial experiment enables the researcher to investigate how each element affects the response variable and how those effects interact with one another.
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Describe and explain the three reasons glaciers flow. please use complete sentences and proper grammar.
The bedrock has a slope, which causes the glacier to move downward as the first cause of glacial movement. Second, since ice crystals must bend to flow downward, the glacier's ice sheets help it do so. Ice sheets are created when ice crystals deform. Thirdly, the flow of melted water beneath the glacier is what causes it to move.
Why does Glacier flow occur?The weight and creep characteristics of ice have a straightforward effect on glacier flow. When ice is subjected to shear stress over time, it will creep, or plastically deform. Under constant shear stress, the rate of plastic deformation starts out quickly before tapering off to a constant amount.
A curved graph will be produced if this stable value, the shear-strain rate, is plotted against the stress for a wide range of applied stress values. The chart demonstrates the shear strain rate's near proportionality to the shear stress cube, which is the flow law or fundamental law of ice.
All assessments of the movement of ice sheets and glaciers are built around this fundamental law, which glaciologists frequently refer to as the Glen flow law.
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__________ are found in coastal areas in the mid-latitudes and have a small annual temperature range because of the oceans that border them.
Maritime, Oceanic, and Marine Climate are found in coastal areas in the mid-latitudes and have a small annual temperature range because of the oceans that border them.
What is Marine climate?The humid temperate climate sub-type Cfb known as an oceanic climate, also referred to as a marine climate, is typical of west coasts in higher middle latitudes of continents. It is characterized by generally cool summers and mild winters (for their latitude), with a relatively narrow annual temperature range and few temperature extremes. Oceanic climates are often found between 40 and 55 latitude in both hemispheres. Most notably in New Zealand, northwest Europe, and northwest North America. Oceanic climates are a result of and a reflection of the nearby, chilly ocean.Learn more about Marine climate here:
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A snowball that rolls down a hill, gradually gaining more and more mass and rolling faster and faster as it continues, would be an example of a(n)?
What is the name of the high-altitude plateau where the andes mountains reach their greatest width?
Answer:
The Altiplano
Explanation:
The northeast region is divided into three different areas. what area is not part of the northeast region?
Island is not part of the northeast region.
Regions are regions that share common characteristics. Regions can be defined by natural or man-made features. Language, government, or religion can define a region, as can forests, wildlife, or climate. The area between the Atlantic coast and the Great Lakes was called the Northeast Region.
The Northeast region includes 11 states. The northeastern region has wide valleys, rolling hills and low mountains but no islands. Because the northeast is roughly halfway between the North Pole and the equator, the climate in is quite different from that of the southeast.
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Which of the following statements is an expression of climate
Answer:
where are the statements ;-;
Explanation:
Approximately how far would a tectonic plate travel in an average human lifetime?.
On an approximation, a tectonic plate would travel to around 1 - 10 meters in an average human lifetime.
What are tectonic plates?Tectonic plates can be defined as ancient and giant landmass which split apart to form all the current continents. In other words, these are massive slabs of rock which makes up the crust and upper mantle of the Earth. These are also known as lithospheric plate.
The geologists have described seven major tectonic plates, which are noted as below:
African Plates,Antarctic Plates,Eurasian Plates,Indo - Australian Plates,Pacific Plates,North American Plates,South American Plates.The Pacific Plate is the largest lithospheric plate on Earth with 103 million square kilometers.
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A lake that has been affected by acid rain can have a ph of 4. how many more times acidic is the lake than seawater?
A lake that has been affected by acid rain can have a ph of 4. so the lake is 10,000 times acidic than seawater
Seawater has a pH of 8, so there's a difference of 4 pH units, so there's a difference in hydrogen ion concentration of 10^4.
here Acid rain is rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions. Most water, including drinking water, has a neutral pH that exists between 6.5 and 8.5, but acid rain has a pH level lower than this and ranges from 4–5 on averageAcid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.to know more about acid rain click here
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What are some of the reasons that the population growth rate may be decliningning?
Answer:
Some of the reasons may be the following:
1. Lack of food
2. Lack of water
3. Tight and living spaces
4. Extreme Weather changes
5. Diseases and Viruses
Persons traveling to the western hemisphere across the international date line must?
Persons traveling to the western hemisphere across the international date line must turn the calendar ahead one day.
The calendar must be advanced one day for people crossing the international date line to the western hemisphere. The line separating one calendar day from the next is known as the International Date Line (IDL), and it runs between the South and North Poles on the surface of the Earth.
International date line travels through the Pacific Ocean, roughly tracing the 180° longitude line and deviating to go around several states and island chains. When travelling eastward across the date line, the date is shortened by one day (24 hours), but when travelling westward across the date line, the date is lengthened.
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