The world's population grew most rapidly around the 20th century, from about 1.5 billion at the beginning of the 20th century to 6 billion at the end of the century. The population underwent its first major change between the 18th century and the 19th century. Based on this data, we can predict that the world population will be between 10 billion and 13 billion in 2100.
Population refers to the total number of living things that live in a particular area. Population helps us estimate the number of beings and know how to act accordingly. For example, knowing the exact population of a city allows us to estimate the number of resources required. Similarly, animals can do the same.
The population is one of the key factors in balancing the environment, and the population must be balanced between means and resources. A balanced population can easily meet all the needs and requirements of the people, contributing to the environmental protection of the country.
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A blackbody is a hypothetical object that.... (select all that apply)O does not reflect any light O glows at a wavelength specified by its temperature O is completely dark, giving off no light O absorbs all light that hits it
A blackbody is a hypothetical object that absorbs all light that hits it.
Blackbody radiation is the radiation that heated things, especially a blackbody, create.
In physics, a blackbody is an object that absorbs all incident electromagnetic radiation while reflecting none, roughly represented as a hole in a hollow black sphere. The link between temperature and electromagnetic radiation shows that as a blackbody radiator warms up, it emits light with shorter wavelengths.
Thus, the radiation that is absorbed by an item as it warms is referred to as blackbody radiation. A hypothetical object known as a "blackbody" absorbs all light that strikes it.
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because of the coriolis effect, what does the overall atmospheric circulation pattern look like on earth? (how many convection cells per hemisphere and in total?)
The overall atmospheric circulation pattern on Earth consists of three convection cells per hemisphere, making a total of six convection cells.
The Coriolis effect plays a crucial role in shaping the overall atmospheric circulation pattern on Earth. It leads to the formation of distinct cells of air circulation known as Hadley cells, ferrel cells, and Polar cells.
In each hemisphere, there is typically one Hadley cell, one ferrel cell, and one Polar cell, resulting in a total of six cells for the entire Earth.
Hadley Cells: These cells are located near the equator and are driven by solar heating. Warm air rises near the equator, creating a low-pressure zone, and then flows poleward at high altitudes.
As the air moves away from the equator, it cools and descends around 30 degrees latitude in both hemispheres. This descending air creates high-pressure zones and flows back towards the equator near the surface, completing the Hadley cell.
Ferrel Cells: The ferrel cells are found between the Hadley cells and the Polar cells, primarily in the mid-latitudes (around 30 to 60 degrees latitude). These cells are driven by the interaction between the Hadley and Polar cells.
Air from the Hadley cell moves poleward and encounters the colder, denser air of the Polar cell. The ferrel cell is characterized by rising motion near 60 degrees latitude and descending motion near 30 degrees latitude, opposite to the direction of the Hadley cell.
Polar Cells: These cells exist near the poles, spanning from around 60 degrees latitude to the polar regions. Cold air near the poles sinks, creating high-pressure zones. As the air moves away from the poles towards the mid-latitudes, it encounters the warmer air of the ferrel cell. This interaction causes the air to rise, forming a low-pressure zone.
It's important to note that the atmospheric circulation pattern is not perfectly uniform and can be influenced by various factors, including ocean currents, topography, and seasonal variations. However, the general model described above represents the primary circulation cells on Earth resulting from the Coriolis effect.
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assume a scenario where the earth warms by an average of 2 degrees c by 2100 with the most significant increase in high-latitude regions. as it turns out, an increase in average temperature can positively impact agriculture, lengthening the growing season in regions with cool spring and fall seasons. the results of agriculture prediction models show that: a. there will be a decrease in cultivated areas in high-latitude regions. b. warming will lead to a decrease in severe winter cold stress on crops, causing a pole-ward shift for many agricultural activities. c. almost all agricultural activities will be impacted negatively. d. there will be no change in agriculture with increasing temperatures e. modest temperature increases decrease crop yields for all crops.
The correct answer is b. Warming will lead to a decrease in severe winter cold stress on crops, causing a pole-ward shift for many agricultural activities.
According to the information provided, one of the potential impacts of such warming is that it could lengthen the growing season in regions with cool spring and fall seasons, potentially benefiting some crops.
Agriculture prediction models suggest that another potential impact of warming in high-latitude regions is a decrease in severe winter cold stress on crops, which could cause a poleward shift for many agricultural activities. This means that crops that were previously limited to growing in lower latitude regions due to cold stress may be able to be grown further north as the climate warms.
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A set of beliefs about the way things should be that are used to justify public policy is best defined as which of the following?
A. Terrorism
B. Mandate
C. Nongovernmental organization
D. Ideology
Geography literally: place memorization. the study of rocks. map making. to write (about) earth. location distribution.
Geography encompasses place memorization, the study of rocks, map making, writing about the Earth, and location distribution.
Geography is a multidimensional field that explores various aspects of the Earth's physical and human characteristics. It involves understanding and memorizing the locations of places and their spatial relationships. This includes identifying and recalling the names, coordinates, and features of different regions and landmarks.
The study of rocks falls within the realm of physical geography, particularly geology. Geographers examine the composition, formation, and distribution of rocks, as well as their impact on landforms and landscapes.Map making is another integral component of geography. Geographers create maps to represent spatial information, such as topography, land use, population density, and political boundaries. Maps serve as valuable tools for understanding spatial patterns and relationships.Writing about the Earth encompasses various forms of geographic communication, including research papers, articles, and books that cover topics such as physical processes, cultural landscapes, and human-environment interactions.Finally, location distribution is a fundamental concept in geography. It involves analyzing and understanding the patterns and arrangements of phenomena across space, including population distribution, economic activities, and natural resource availability.In summary, geography involves place memorization, the study of rocks, map making, writing about the Earth, and examining location distribution to gain insights into the complexities of our world.
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which does not play a role in causing a rain shadow? cold polar air a mountain range adiabatic cooling humid ocean air
Answer: Cold polar air
Explanation:
earthquake waves travel faster in the lithosphere than the asthenosphere. question 6 options: a) true b) false
The statement is true that earthquake waves travel faster in the lithosphere than the asthenosphere.
The lithosphere is the solid and rigid outermost layer of the Earth, while the asthenosphere is the weaker and more ductile layer beneath it. This difference in strength and rigidity affects the speed at which seismic waves propagate through the two layers. In the lithosphere, the waves encounter a more rigid and compact material, allowing them to travel faster. In contrast, the weaker and more ductile asthenosphere slows down the waves, resulting in a slower velocity.
Earthquake waves, specifically seismic waves, travel faster in the lithosphere than in the asthenosphere because the lithosphere is composed of more rigid, cooler, and denser materials, allowing waves to move more quickly. The asthenosphere is partially molten and has a higher viscosity, causing waves to travel at slower speeds.
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the capillary fringe is thicker in fine-grained sediments and thinner in coarse-grained sediments. group of answer choices true false
It is true that the capillary fringe is thicker in sediments with finer grains and thinner in sediments with coarser grains.
Capillary fringe: what is it?The subsurface layer known as the capillary fringe is where groundwater seeps up from a water table to fill pores through capillary action. Due to tension saturation, water has filled the pores at the capillary fringe's base. Due to the mix of pore sizes, the saturated portion of the capillary fringe is smaller than the overall capillary rise.
For several feet above the water table, soils may be completely saturated with water if the pore size is small and fairly uniform. The saturated portion will also only rise a few inches above the water table when the pore size is large.
A vadose zone, whose water content decreases with elevation above the water table, is supported by capillary action above the saturated base. The unsaturated zone can be several times thicker than the saturated zone in soils with a wide range of pore sizes.
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ozone depletion allows to reach the earth’s surface. greenhouse gases acid precipitation short-wavelength ultraviolet light infrared light long-wavelength ultraviolet light
Ozone depletion allows short-wavelength ultraviolet light to reach the Earth's surface.
When certain gases, known as greenhouse gases, are released into the atmosphere, they trap heat and contribute to the greenhouse effect. This causes an increase in temperature on Earth. Acid precipitation refers to rain or other forms of precipitation that have a high level of acidity, which is caused by the emission of certain pollutants into the atmosphere. Short-wavelength ultraviolet light is a type of electromagnetic radiation that has a higher energy and is harmful to living organisms. In contrast, infrared light and long-wavelength ultraviolet light have lower energy and are not as harmful.
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What materials were used to determine the age of the earth?.
Answer:
The best estimate for Earth's age is based on radiometric dating of fragments from the Canyon Diablo iron meteorite. From the fragments, scientists calculated the relative abundances of elements that formed as radioactive uranium decayed over billions of years.
Explanation:
The age of the rocks of the moon, earth, and meteorites which have not been changed by the rock cycle, is measured. this in turn helps in determining the age of the earth.
What is the age of Earth?The estimated age of the earth is 4.54 billion years. Carbon dating is a specific type of Radiometric dating. The Radiometric dating of pieces of these rocks was used to calculate the age of the earth.
Scientists have reached this conclusion by dating the rocks of Earth and its neighbors such as the moon and meteorites.
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the circulation of cyclonic storms is determined by multiple choice the southern oscillation. warm fronts. the coriolis effect. milankovitch cycles. cold fronts.
The circulation of cyclonic storms is determined by the Coriolis effect. What is a cyclonic storm? A cyclonic storm is a circular storm system characterized by rotating air mass. It is a low-pressure system with thunderstorms and strong winds that rotate counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
Such a phenomenon occurs over the tropical and subtropical oceans and regions. How is the circulation of cyclonic storms determined? The circulation of cyclonic storms is determined by the Coriolis effect. This effect causes air to turn to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This deflects the air from its original path and contributes to the rotation of cyclonic storms. The Coriolis effect is the result of the Earth's rotation. The Earth's rotation causes objects on the surface of the Earth to move at different speeds at different latitudes, and this is what gives rise to the Coriolis effect. It is important to note that this effect is a result of the rotation of the Earth and not of the atmosphere. Thus, the Coriolis effect plays a significant role in the formation and movement of cyclonic storms by influencing their circulation patterns.
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HEEEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLPPPPPPPPPPPPPP
Answer:
(C) Metropolitian Area
Explanation:
Metropolitian Areas are those that are developed. This answer makes the most sense because a developed area is one that people have grown in and settled.
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the cross sections of crust below represent two regions of sedimentary rock layers that have been altered. the sedimentary bedrock in both regions originally formed as
The crustal profile below shows two areas where the sedimentary rock layers have changed. The sedimentary bedrock of both regions was originally formed as horizontal layer.
Earth's tectonic plates can collide, slide over each other, or separate, deforming rock layers. This can cause folding, faulting, or tilting of originally horizontal sedimentary layers. The weight of overlying sediments and crustal movements can compress sedimentary layers, causing deformation and tilting.
Volcanic eruptions can deposit ash and lava flows on top of sediment layers, changing their composition and structure. The heat and pressure associated with volcanic activity can also cause metamorphism that transforms sedimentary rocks into metamorphic rocks.
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The correct question is :
the cross sections of crust below represent two regions of sedimentary rock layers that have been altered. the sedimentary bedrock in both regions originally formed as ____ .
Which of the following phrases best defines migration A forcing others to move away from their homes B encouraging others to move to a new place C spreading culture from one place to another D moving from one place to another to find a new place to live Please select the best answer from the choices provided ABCD
Answer:
D.
Explanation:
Migration isn't about being forced to move so A is wrong
It isn't about culture in any way so C can be eliminated
I don't know about encouraging others but D sounds much better because migration is about moving whether it is temporarily, permanently, or settling there so I think D sounds the best.
Answer:
d
Explanation:
how can the same cumulonimbus cloud produce rain and hail
Cumulonimbus clouds are characterized by thunderstorm activity and are frequently associated with severe weather events. These clouds, which have a vertical growth pattern, are sometimes responsible for producing both rain and hail in a single storm.
This occurs because the formation of hail and rain involves different physical processes, which can occur simultaneously within a cumulonimbus cloud.
Rain forms when water droplets in a cloud merge together to form larger, heavier droplets. When these droplets become too heavy to be held up by the cloud's updraft, they begin to fall to the ground as rain. Rain formation requires the presence of a significant amount of water vapor in the atmosphere, which can be transported into the cloud by wind and convection.
Hail, on the other hand, forms when raindrops are carried up into the upper regions of the cloud, where temperatures are below freezing. These supercooled droplets freeze into ice and continue to be carried upward by the cloud's updrafts. As the hailstones continue to move through the cloud, they pick up additional layers of ice, which can eventually cause them to become too heavy to be held up by the updrafts. When this occurs, the hailstones fall to the ground.
Therefore, a cumulonimbus cloud can produce both rain and hail simultaneously because the formation of these two types of precipitation can occur independently within the same cloud.
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What is the process of Physical Weathering?
Answer:
Physical weathering is the breaking of rocks into smaller pieces. This can happen through exfoliation, freeze-thaw cycles, abrasion, root expansion, and wet-dry cycles. If moisture seeps into cracks before winter, it can then freeze, driving the rocks apart.
Explanation:
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Identify the true statement.
Choose one:
A. Earthquakes never have hypocenters (foci) deeper than about 100 km (60 miles).
B. Earthquake magnitude is based on ground motion recorded by a seismograph; intensity is based on the amount of damage produced.
C. Seismic waves become smaller in amplitude with decreasing distance to the epicenter.
D. Contour lines representing Richter values are used to delimit zones of earthquake intensity; the greater the quake, the higher the intensity values and the wider the zones.
The tsunami event of December 26, 2004,
Choose one:
A. consisted of only local, near-field tsunamis that affected the island of Sumatra.
B. could have resulted in an even greater death toll, but for the timely warnings issued immediately after the earthquake.
C. involved a magnitude 5.3 earthquake that lasted only 2 minutes.
D. was first noticed as a withdrawal of the sea along the beach front.
Can anyone help me with these two questions? Thank you so much!
The true statement is earthquake magnitude is based on ground motion recorded by a seismograph; intensity is based on the amount of damage produced. Option B is the answer.
The correct answer to the second question is B. The could have resulted in an even greater death toll, but for the timely warnings issued immediately after the earthquake.
What is an earth quake?A abrupt shaking or trembling of the Earth's crust is known as an earthquake, and it is typically brought on by the movement of tectonic plates. These plates are continually shifting, bumping into one another, and sliding past one another. When this happens, seismic waves are created that travel through the Earth's crust and cause the ground to tremble.
The Richter scale, which is based on the amplitude of the seismic waves captured by seismographs, is used to determine an earthquake's magnitude. In addition to causing additional damage and fatalities, landslides, tsunamis, and liquefaction are secondary hazards that can be brought on by earthquakes.
The tsunami event of December 26, event involved a magnitude 9.1 earthquake that lasted for several minutes and caused a series of destructive tsunamis that affected many countries in the Indian Ocean, not just Sumatra.
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which group of factors are most important in determining the composition of ocean water?
Answer:
The temperature and salinity of seawater influence its density. Temperature and salinity vary with latitude. Therefore, the density of seawater also varies with latitude.
Answer: Temperature, salinity and density.
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What are 5 physical features of africa.
Which of the following aspects of agricultural cultivation increases the risk of erosion? A. Replacing natural vegetation with cultivated crops B. Utilizing no-till planting methods C. Plowing in curved, rather than straight, lines D. Leaving plants in the ground during the winter Please select the best answer from the choices provided. A B C D.
Answer:
(A) replacing natural vegetation with cultivated crops
Explanation:
I took the test
what are the three types of materials that affect light differently
Answer:
Explanation:
The purpose of this lesson is for the students to learn that light interacts differently with different types of materials. Students will be able to categorize materials into 3 categories based on how the light interacts with those materials: transparent (light shines through), translucent (some light shines through, and opaque (no light shines through).
Answer:
Glass, plastic, mirrors="If a material is a light colour or has a smooth surface, more light will be reflected. Shiny opaque materials, such as mirrors, reflect most of the light that strikes them. If a material is a dark colour or has a rough surface, more light will be absorbed. Opaque objects that absorb light also become warm."
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Which of the following is an example of instinctive behavior?
Answer:
A duckling swimming after its mother.
Behaviour is the way an organism behaves or acts in the environment. Interactive behaviour is an action in an organism that is performed by a member of the species. Like the swimming of duckling after its mother.
In humans, many reflexes are an example of instinctive behaviour. Another example can that of a dog shaking itself after it gets wet. Migration, hibernation, eating drinking and sleeping are some of the examples of the behaviour.Hence the option A a baby seeking food by rooting and sucking.
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what do you mean by planet
A planet is a celestial body that orbits a star, is roughly spherical in shape, and has cleared its orbit of other debris. In our solar system, there are eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
What is a planet?A planet is a celestial body that meets the following criteria: (a) it orbits the Sun; (b) it has enough mass for its self-gravity to outweigh rigid body forces, assuming a hydrostatic equilibrium shape that is roughly circular; and (c) it has cleared the area in and around its orbit.
A celestial object that orbits a star is called a planet. Earth is the third planet from the sun in our solar system. Planet is a translation of the Greek word planetes, which means "wanderer." The movement of heavenly bodies in the night sky has captivated humanity since the dawn of time.
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According to Professor William Hughes, as quoted in this unit, which of the following would be considered an example of a primary aim of geography?
A. identifying the major rivers of the United States
B. locating the largest river on each continent
C. locating the capitals of the world's super powers
D. classifying natural disasters and their impact on the Earth and man
According to Professor William Hughes, as quoted in this unit, the following would be considered an example of a primary aim of geography D. classifying natural disasters and their impact on the Earth and man.
Eratosthenes, the historical Greek pupil is called the 'father of geography. He become the primary one to use the word geography and he also had a small-scale notion of the planet that helped him to decide the circumference of the earth.
Geography facilitates college students to recognize the bodily international, such as land, air, water, and ecology. It additionally enables them to apprehend human environments, inclusive of societies and communities. This also consists of economics, social and cultural problems, and from time to time morals and ethics.
Eratosthenes. The primary spot has to visit the man who coined the time period geography, Eratosthenes (c. 275–194 BC). He created one of the earliest maps of the regarded world between 276-195 BC, however, his best contribution was the concept of range and longitude.
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which characteristic classifies an area as tropical climate ?
Answer:a monthly average temperature of 18 °C (64.4 °F) or higher in the coolest month, and feature hot temperatures all year-round.
Explanation:
is africa approx thrice as bigger than europe
Answer: no
Explanation:
large European-derived populations. Africa has no countries with European-derived majorities
In the late 1950's the Hebgen Lake earthquake outside of Yellowstone triggered a mass wasting event. The landslide originated on steep mountains slopes where rocks slid off a surface and descended to the valley floor in a few seconds, burying a campground and many people staying there. This type of landslide would be called ________.
Answer: a rockslide
Explanation:
Rockslide can be referred to as the rapid downward movement of rock fragments which slide down over an inclined surface.
Based on the question given, since the landslide originated on steep mountains slopes where rocks slid off a surface and descended to the valley floor in a few seconds, burying a campground and many people staying there, this is referred to as a rockslide.
Where in the world is Africa? What is it next to? What is its relative location?
10-Which current is the largest in all the worlds oceans?
Answer:
I think it's Antarctic circumpolar current
Explanation:
if you needed top 10 I can tell rest in comments <3
Answer:
Antarctic Circumpolar Current
Explanation:
Which of the following is an example of a convergent plate boundary?
A.Navajo Mountain, Utah
B.The Andes, South America
C. Mount Fuji, Japan