How does seafloor spreading support continental drift?.
Answers
Seafloor spreading supports continental drift in the following ways that are given below.
What are the ways?Sea-floor spreading refers to the gradual movement of the oceanic crust from mid-oceanic ridges to the surrounding seafloor. This process is caused by the upwelling of magma at divergent plate boundaries and results in the creation of new oceanic crust.
Two major pieces of evidence are as follows:
1. Age of the oceanic crust: The oceanic crust is much younger than the continental crust. Seafloor spreading supports this idea by showing that new oceanic crust is continuously being formed at mid-oceanic ridges and that the oldest oceanic crust is found farthest away from these ridges.
2. Magnetic anomalies: Seafloor spreading also supports continental drift by providing evidence of magnetic anomalies. Magnetic anomalies are areas of the ocean floor where the polarity of the Earth's magnetic field is reversed.
This observation is consistent with the idea of continental drift because it suggests that the oceanic crust is spreading out and away from the mid-oceanic ridges.
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Related Questions
a) How far (in m) above the hiker is the rock when he can see it? m (b) How much time (in s) does he have to move before the rock hits his head?
Answers
a) The rock is located a certain distance (in meters) above the hiker when it becomes visible.
b) The hiker has a specific amount of time (in seconds) to move before the rock reaches his head.
a) To determine the distance between the rock and the hiker when it becomes visible, we need to consider factors such as the height of the rock and the line of sight of the hiker. Assuming the hiker is standing on level ground, we can use trigonometry to calculate the vertical distance. By measuring the angle at which the hiker's line of sight intersects with the rock, we can calculate the height difference using the tangent function. This will give us the distance above the hiker where the rock becomes visible.
b) The time the hiker has to move before the rock hits his head depends on several factors, including the initial velocity of the rock, the gravitational acceleration, and the vertical distance between the rock and the hiker. By using the laws of physics and applying the equations of motion, we can determine the time it takes for the rock to fall from its initial height to the hiker's position. This time can be calculated using the kinematic equation for motion under constant acceleration. Subtracting this time from the total time it takes for the rock to fall from its initial height to the ground will give us the amount of time the hiker has to react and move out of the way.
It is important to note that the specific calculations for both the distance and time will depend on the values provided in the problem and the relevant physical parameters, such as the acceleration due to gravity. These calculations can be performed using appropriate mathematical formulas and numerical values to obtain the precise answers.
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Which of these go into each civilization?
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Answer:
Ancient Chinese: Isolated by Geographic features, ruled by a series of several dynasties, well-planned orderly cities,
Indus Valley: Public Baths used for cleansing... , Public drainage and sewage systems, first civilization to Cultivate rice and millet.
humans spread out of africa and across the rest of earth starting about 100,000 years ago, see the map of human migration below that is annotated with routes and times of migration in years before present (each arrow represents a new colonization). the effective population sizes of groups migrating into new geographic regions (e.g. europe) were typically very small (about 2,000 for the european case). given the pattern of human migration, and assuming that founder effects are stronger when longer distances are traveled, what part of the world should we expect the native human population to show the lowest amount of genetic variation?
Answers
Based on the pattern of human migration and assuming that founder effects are stronger when longer distances are traveled, we would expect the native human population of the Americas to show the lowest amount of genetic variation.
The native human population of the Americas is expected to show the lowest amount of genetic variation due to the founder effect that occurred during their colonization. The migration of humans out of Africa and into the Americas required crossing the Bering Strait, which was the longest distance of travel and established a small founder population of about 2,000 individuals. This small group of individuals carried only a subset of the genetic variation present in the larger population. This founder effect resulted in a reduction of genetic diversity in the population, as the genetic variation that was lost was random.
Founder effects are more significant when longer distances are traveled, and smaller founder populations are more likely to lose a significant amount of genetic variation. As a result, populations that were established through small founder populations are expected to have lower levels of genetic variation compared to populations that were established through larger founder populations. Therefore, the native human population of the Americas is expected to have the lowest amount of genetic variation due to the small founder population that colonized the Americas.
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If the speed is 15 mph and the teperature is -5 fahrenheit what is the wind chill
Answers
The wind chill is a measure of how cold it feels outside when you take into account the actual temperature and the effect of the wind.
It can be calculated using the following formula:
Wind Chill = \(35.74 + 0.6215T - 35.75(V^{0.16}) + 0.4275T(V^{0.16})\), where T is the temperature in degrees Fahrenheit and V is the wind speed in miles per hour.In this case, the temperature is -5 degrees Fahrenheit and the wind speed is 15 mph. Plugging these values into the formula, we get:
Wind Chill = \(35.74 + 0.6215(-5) - 35.75(15^{0.16}) + 0.4275(-5)(15^{0.16})\)
Wind Chill = \(35.74 - 3.1075 - 9.198 + (-0.481)\)
Wind Chill = 23.4345
So the wind chill in this case is 23.4345 degrees Fahrenheit. This means that even though the actual temperature is -5 degrees Fahrenheit, it feels like it is 23.4345 degrees Fahrenheit outside due to the effect of the wind.
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What was originally formed from volcanic eruptions? please and thank you
Answers
Answer: Islands
Explanation:
Some Islands like Hawaii and Japan were not original part of the super constant like other places, they were formed from volcanic rock and lava over time, from under the water. And became islands.
What are the cultural differences between the Aztecs and the Spanish caused a misunderstanding between Moctezuma II and Hernan Cortes.
Answers
Answer:
While Roman soldiers were conquering the Mediterranean region, across the Atlantic Ocean other civilizations were growing. In Central and South America, the inhabitants developed complex societies, and built great cities with thousands of carefully-crafted buildings, huge pyramids, and temples. They devised complex mathematical systems and calendars, systems for writing, and ways of producing and distributing food and other goods and services. These civilizations included kings, priests, artists, warriors, and merchants.
Explanation:
a dot map is used to represent population data true or false
Answers
Answer:
True because a dot map is more specific compared to other forms of representation. They also show spatial patterns.
Explanation:
A dot map is more specific compared to other forms of representation. They also show spatial patterns.
Answer:
True because a dot map is more specific compared to other forms of representation. They also show spatial patterns.
Explanation:
a geographic information system (gis) can integrate maps and database data with queries. true false
Answers
Answer:
rules we can make in the School compound
True.
A geographic information system (GIS) is a software system that allows users to analyze and visualize spatial data. One of the primary functions of GIS is to integrate maps with data stored in databases. This integration enables users to create queries that combine the two types of data, allowing them to analyze and visualize the relationships between different geographic features and data attributes. For example, a user could create a query that identifies all the homes within a certain distance of a major highway, or all the schools within a certain distance of a toxic waste site. The ability to integrate maps and data in this way makes GIS a powerful tool for a wide range of applications, from environmental analysis to urban planning to emergency response.
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The theory of continental drift was revived, expanded, and put into its present form ________.
A) last year
B) in the 1960s
C) in the 1910s
D) in the 1800s
E) in the 1700s
Answers
The theory of continental drift was revived, expanded, and put into its present form in the 1960s.
This was largely due to the discovery of seafloor spreading and the development of plate tectonic theory, which provided a mechanism for how the continents could move. Prior to this, the idea of continental drift had been proposed in the early 1900s by Alfred Wegener, but was not widely accepted by the scientific community until the 1960s. This period of time saw significant advancements in the field of geology and earth sciences, leading to a better understanding of the processes that shape our planet.
So, to give a long explanation, the theory of continental drift was not fully developed and widely accepted until the 1960s, due to advancements in the field of earth sciences and the discovery of seafloor spreading and plate tectonic theory.
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earthquakes result from a release of ________ in the earth
Answers
Answer: sudden movement along with faults in the earth.
Explanation:
Earthquakes result from a release of sodden movement along faults in the earth.
What is Earthquake?When two pieces of land abruptly slide past one another, an earthquake results. The fault or fault plane is the area where they skate. The epicenter is the point on the earth's surface that is directly beyond the hypocenter, which is where the earthquake begins under the surface.
Foreshocks can occur during an earthquake. These are smaller earthquakes that take place in the exact location as the one that follows the larger one. Before a larger earthquake occurs, scientists are unable to resolve whether an earthquake is a foreshock.
The mainshock is the term used to define the greatest earthquake. Aftershocks that follow mainshocks are a given. These subsequent, weaker earthquakes take place in the same location as the primary shock.
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The direction and frequency of hunter-gatherer migration depended on
A) the movement of game and the seasonal growth of plants.
B) the shifting of climate patterns.
C) the arrival of imperial armies and other invading forces.
D) each group's size and the ability to run over long distances.
E) mathematical processes.
Answers
B. The movement of game and the seasonal growth of plants.
Explanation:
They varied depending on the season.
Activity #3: Two Frontal Passages in the Same Period If you still haven't looked at the handout on conditions before/during/after a frontal passage, now is the time to do it. These next five questions
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Two Frontal Passages in the Same Period. Here are the answers to the five questions;Cold front and Warm fronts
What are the conditions that are typically present before, during, and after a cold frontal passage?
Before: Increasing winds, falling barometric pressure, and rising temperatures.During: Heavy rain, thunderstorms, and gusty winds.After: Cooler temperatures, clearing skies, and lighter winds.Before: Increasing cloud cover, rising barometric pressure, and falling temperatures.During: Light rain or drizzle, and increasing humidity.After: Clouds clear, temperatures rise, and winds shift to the south or southwest.What are the potential hazards associated with each type of front?
Cold fronts can produce heavy rain, thunderstorms, and strong winds.Warm fronts can produce heavy rain, flooding, and tornadoes.What are some things that people can do to prepare for a frontal passage? Stay informed about the weather forecast.; Make sure you have a plan in place in case of a power outage or other emergency. Have a supply of food, water, and other essentials on hand.
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What motivated Europeans and Africans to turn to selling people as property during the Age of Exploration?
Answers
Answer:
Explanation: The purpose of the exploration was to expand European geographic knowledge, to find the west of Africa for example, slaves could marry, own property and even own slaves
Demographics is the statistical study of The three broad areas of demographics are birth, aging and
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Demographics is the statistical study of the three broad areas of demographics are birth, aging and death, migration.
What do you mean by Demographics?Government entities, political parties, and businesses that provide consumer goods all use demographic analysis, which is the statistical description of human populations.
A population's characteristics, such as age, race, and sex, are studied through demographic analysis.
Statistics expressing socioeconomic information, such as employment, education, income, marriage rates, birth and death rates, and more, are referred to as demographic data.
Therefore, demographics is the statistical study of the three broad areas of demographics are birth, aging and death, migration.
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Answer: population; migration
Explanation: Below
The two main processes by which sediment is produced are:a) physical and chemical weatheringb) subduction and meltingc) transportation and deposition
Answers
The two main processes by which sediment is produced are physical and chemical weathering. Physical weathering is the process that breaks down rocks and minerals into smaller pieces, such as pebbles and sand grains, through mechanical or physical means such as wind and water action.The answer is A.
Chemical weathering, on the other hand, involves the breakdown of rocks and minerals by chemical means. Chemical weathering often involves reactions between minerals and water or other chemicals, which cause the minerals to break down into smaller, more soluble products.
Transportation and deposition are not processes by which sediment is produced, but rather they are processes that occur after sediment has been produced. Transportation refers to the movement of sediment from one location to another by means of wind, water, or ice.
Deposition occurs when sediment is deposited or laid down in a new location, such as in a river delta or on a beach.The answer is A.
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Please help . I have no clue on any of them
Answers
Answer:
:)
Explanation:
Democracy: Rule of the people
Decolonization: Former colonies governing themselves
Failed state: Government has no control
Single-party rule: Only one political party is allowed by the government
Happy to help!
what are plate tectonics?
Answers
Answer:
a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates which move slowly over the underlying mantle.
In carl sauer’s theory, the __________ is influenced by the site and the culture of the groups that occupy it. a. sequent occupance b. urban land c. cultural landscape d. agricultural land please select the best answer from the choices provided.
Answers
In carl Sauer's theory, the cultural landscape is influenced by the site and the culture of the groups that occupy it. Option C. This is further explained below.
What is the cultural landscape?Generally, According to Carl Sauer's view, the cultural landscape is shaped not only by the location itself but also by the cultures of the people who live there. The third choice, sometimes known as option "C," is the one that should be chosen since it is indicated to be the right answer by the question. I really do hope that this is the solution that ends up being of tremendous assistance to you.
In conclusion, A cultural landscape is a geographic area that is associated with a historic event, activity, or person; demonstrates other cultural or aesthetic values; and includes both cultural and natural resources as well as the wildlife or domestic animals that reside within it. This definition comes from the National Park Service.
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why does carbon dioxide have a significant influence on climate? group of answer choices it allows longwave infrared radiation to escape rapidly from earth's surface. it absorbs incoming shortwave radiation and blocks radiation from earth's surface. it has a pronounced cooling effect on earth's atmosphere due to it's ability to block solar radiation. it absorbs longwave radiation emitted from earth.
Answers
Carbon dioxide (\(CO_{2}\) ) has a significant influence on climate because it absorbs longwave radiation emitted from Earth, trapping heat in the atmosphere and contributing to the greenhouse effect.
Carbon dioxide is a greenhouse gas that plays a crucial role in Earth's climate system. When sunlight reaches the Earth's surface, it is absorbed and re-emitted as infrared radiation.
Carbon dioxide molecules have the ability to absorb and trap this longwave infrared radiation emitted by the Earth, preventing it from escaping into space. This process is known as the greenhouse effect.
By absorbing and trapping infrared radiation, carbon dioxide and other greenhouse gases contribute to the warming of the Earth's atmosphere.
The increased concentration of \(CO_{2}\) in the atmosphere, primarily due to human activities such as the burning of fossil fuels, intensifies the greenhouse effect and leads to enhanced warming of the planet. This phenomenon is commonly referred to as anthropogenic climate change or global warming.
The ability of carbon dioxide to absorb and re-emit infrared radiation is crucial for maintaining Earth's temperature within a habitable range.
However, the excessive buildup of \(CO_{2}\) in the atmosphere due to human activities has led to an imbalance in the natural greenhouse effect, resulting in global climate change with wide-ranging impacts on ecosystems, weather patterns, sea levels, and other aspects of the Earth's climate system.
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How has technology affected Asian culture?
A. People have moved away from cities.
B. The number of rural communities has increased.
C. Developing nations have gained economic power.
D. There has been a decrease in manufacturing jobs.
Answers
Answer:
C
Explanation:
A. is the opposite, just look at cities like Shanghai or Tokyo
B. maybe but so has huge cities that are in Asia
D. we still have lots of manufacturing jobs around the world that includes jobs in places like factories or making things that range from chemicals to clothing
Use the quotation to answer the following question.
"Harmony should be valued and quarrels should be avoided. Everyone has his biases, and few men are far sighted. Therefore some disobey their lords and fathers and keep up feuds with neighbors. But when the superiors are in harmony with each other and inferiors are friendly, then the affairs are discussed quietly and the right view of matters prevails. "
— Prince Shōtoku of Japan, 604 CE
Based on the quotation, Prince Shōtoku was MOST LIKELY influenced by the ideas of which individuals?
Answers
Prince Shotoku's Constitution (late 6th century) - significant Confucian and Buddhist approaches to statecraft, reforming Japanese government from clan chieftains to full-fledged monarchs after the Chinese model. So the correct option is B .
"Prince Shotoku's 'constitution' placed more emphasis on basic moral and spiritual values than on the detailed codification of laws and their enforcement," writes William Theodore de Bary.
The constitution was an unabashed promotion of the status quo and the emperor's power and authority, which Shotoku believed, like the laws of nature, should not and could not be challenged: When you receive Imperial commands, fail not to obey them scrupulously. Heaven is the lord, and Earth is the vassal.
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Full Question ;
Harmony should be valued and quarrels should be avoided. Everyone has his biases, and few men are far sighted. Therefore some disobey their lords and fathers and keep up feuds with neighbors. But when the superiors are in harmony with each other and inferiors are friendly, then the affairs are discussed quietly and the right view of matters prevails."
— Prince Shōtoku of Japan
Based on this quote, who do you think most likely influenced Prince Shotoku?
Gandhi
Buddah
Confucius
Moses
some aquifers are under pressure, which causes the hydraulic head to be above the actual surface of earth. which type of aquifer is this? question 6 options: confined restricted unconfined occluded
Answers
The type of aquifer that is under pressure, causing the hydraulic head to be above the actual surface of the earth, is a confined aquifer.
Confined aquifers are surrounded by low permeability materials, such as clay or shale, which form an impermeable layer above and below the aquifer. This layer prevents water from seeping in or out, creating a pressurized environment within the confined aquifer.
When a well is drilled into a confined aquifer, the pressure forces the water up the well, and the water level in the well rises above the actual surface of the earth. This is known as artesian flow, and it occurs because the hydraulic head in the confined aquifer is greater than the hydraulic head at the surface.
In contrast, unconfined aquifers are not surrounded by impermeable materials and are in contact with the atmosphere, so the hydraulic head is generally at or near the surface of the earth. Restricted and occluded aquifers are terms that are not commonly used in hydrogeology and may refer to local or regional variations in the characteristics of aquifers.
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true or false: the steepest slope on Rock Mountain is to the south?
Answers
Answer:
false.
Explanation:
I searched it
why are mass movements common after large rainfall events such as the 2013 front range flooding? (select all that apply)
Answers
Answer: B C
Explanation:
your welcome
illustrate settlement and population patterns in the United States/Canada and processes
affecting these patterns with the use of maps.
Answers
The majority of long-distance transportation now occurs between metropolitan areas, following periods of movement from the east to the west, from rural to urban areas, and finally the current period.
Explain about the settlement patterns of the United States?
The arrangement of structures and residences inside a rural settlement is referred to as a settlement pattern. Geographers, historians, and anthropologists are all interested in settlement patterns because they can shed light on how a community has changed through time.
Settlements can be categorized as either compact, semi-compact, or dispersed. Based on each area's population density. The most populous areas are those that are compact.
Settlements can develop in a variety of ways. The most typical types are nucleated, linear, and dispersed. A dispersed pattern is one in which there is no central focus and solitary buildings are dispersed over a large region, typically separated by a few hundred meters.
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what types of rocks initially form from deposition?
Answers
It's late...
But
Sedimentary rocks.
Consult our ultimate southern summer bucket list for ideas on travel adventures in the southern part of the us. Which destination in our guide is paired with the wrong city here?.
Answers
From the ideas on travel adventures given, the destinations that are paired with the wrong city are given as follows:
Biltmore Estate: Asheville, North Carolina Muhammad Ali Center: Louisville, Kentucky Cades Cove: Edisto, South Carolina Country Music Hall of Fame: Nashville, Tennessee.What is a travel adventure?A travel adventure is a trip that is planned ahead and embarked upon with the objective of seeking out an adventure.
In this case, the trip is solely recreational and is for leisure purposes.
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which of the following is correct? a. mafic magma has a much lower viscosity than felsic magma. b. mafic magma has a much greater viscosity than felsic magma. c. mafic magma and felsic magma are equally viscous. d. depending on its silica content, the viscosity of mafic magma may be greater or lower than that of felsic magma.
Answers
Answer:
mafic magma has a much lower viscosity than felsic magma.
Mafic magma has a much lower viscosity than felsic magma. The correct answer is A.
Mafic and felsic magmas differ in their chemical compositions, which in turn influence their physical properties, including viscosity. Mafic magma has a lower silica content (around 50%) compared to felsic magma, which has a higher silica content (around 65-75%). Silica content plays a significant role in determining a magma's viscosity, as higher silica content leads to higher viscosity.
Viscosity refers to a fluid's resistance to flow, and in the case of magma, it affects how easily the molten rock can move and deform. Mafic magma, with its lower silica content, is less viscous and flows more easily than felsic magma. This difference in viscosity can also impact volcanic eruptions; mafic magma can lead to more fluid, less explosive eruptions, whereas felsic magma can result in more explosive eruptions due to its higher viscosity trapping gases within the magma.
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why is Chilliwack, BC fastest growing city in canada
Answers
Answer: Chilliwack, BC is the fastest growing city in Canada because it offers a high quality of life, affordable housing, and attractive amenities.
Explanation: According to the 2021 census data from Statistics Canada, Chilliwack, BC is the second fastest growing census metropolitan area (CMA) in Canada, after Kelowna, BC. It recorded an increase of 12.1 per cent from 2016 to 2021, raising its population to 113,767. Chilliwack is among the four CMAs in B.C. that saw growth of 10% or more in the same period.
Some of the reasons why Chilliwack is attracting more people are:
It offers a high quality of life with a beautiful natural environment, a revitalized downtown, and a close proximity to ski hills, fishing, and golf courses.It has affordable housing compared to other parts of the Lower Mainland, with an average price of $711,000 for a single-family home in December 2021.It has attractive amenities such as 100 parks and trails, two malls undergoing renovation, and infrastructure upgrades.It has low tax rates for both residential and business properties, the lowest in the entire Lower Mainland.These factors make Chilliwack a desirable place to live, work, and play for many people who are looking for a change of pace or a more affordable option than other cities.
Hope this helps, and have a great day! =)
where is the center of the milky way on this graph? at x=16, y=6 at x=0, y=0 at x=8, y=0 at x=–10, y=–10
Answers
The center of the Milky Way on the graph is located at x = 0, y = 0.
In the given options, the center of the Milky Way corresponds to the point where both the x-coordinate and y-coordinate are zero, which is at x = 0, y = 0. This point represents the origin of the graph, where both axes intersect.
The x-axis represents the horizontal position, and the y-axis represents the vertical position. By observing the given options, only the point at x = 0, y = 0 satisfies the condition of being at the center of the Milky Way on the graph. Therefore, x = 0, y = 0 is the correct answer.
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