most of the coal deposits today formed during the carboniferous period. describe how the earth's atmosphere and landmasses were different during this time period

Answers

Answer 1

High oxygen levels in the atmosphere and the presence of extensive forests covering much of the earth's landmasses were the distinctive features of the Carboniferous period.

The Carboniferous period was a unique era characterized by two main features. Firstly, there were unusually high levels of oxygen in the atmosphere, with concentrations up to 35% higher than those seen in the present day. Secondly, vast swathes of the earth's landmasses were covered in thick forests, making the Carboniferous one of the most heavily vegetated periods in history.

These two factors together made the Carboniferous period an important era in Earth's history, one that saw the emergence of some of the earliest terrestrial animals.

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Related Questions

What is the name of the traditional migratory road traveled by the Basseri?
A) Il-rah or tribal road
B) the road of dust
C) migration road
D) the road to paradise

Answers

The name of the traditional migratory road traveled by the Basseri is Il-rah or tribal road.

A traditional migratory road is a path or route taken by people in the past, mostly from one place to another. These roads were usually used by people who needed to move from one region to another for various reasons, such as trade, culture, or lifestyle. An example of such a migratory road is the one used by the Basseri tribe.The Basseri is a pastoral, nomadic community who live in the southern part of Iran. They have a tribal system that is very well organized, and their social structure is based on kinship relations. Their primary mode of subsistence is herding, and they keep animals such as sheep, goats, and camels. They are also known for their mobility and migrate several times a year to find fresh grazing lands for their livestock. They move across the Zagros mountains in Iran using the Il-rah or tribal road. The Il-rah is a network of roads that the Basseri have been using for centuries to move between their summer and winter grazing areas. The route covers more than 300 miles and passes through many villages and towns.

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What is the main source of downward convection movement in the mantle?

a. Ridge-pull

b. Ridge-push

c. Slab-push

d. Slab-pull

Answers

The main source of downward convection movement in the mantle is slab-pull.

Slab-pull is the force that consequences from the burden of a subducting tectonic plate because it sinks into the mantle at a subduction sector. As the denser oceanic plate sinks into the mantle, it pulls the rest of the plate behind it, growing a downward pressure that drives mantle convection.

Ridge-push and ridge-pull are two different procedures that still contribute to mantle convection. Ridge-push is the pressure created by way of the upwelling of magma at mid-ocean ridges, which pushes the tectonic plates apart and helps to power plate movement.
Ridge pull is the pressure created by using the gravitational pull of a mid-ocean ridge because it subsides and sinks into the mantle. But, slab-pull is commonly taken into consideration to be the maximum widespread force in driving mantle convection and plate motion.

The mixture of those three forces (slab-pull, ridge-push, and ridge-pull) facilitates to the maintenance of the dynamic equilibrium of the earth's lithosphere and mantle, using the movement of tectonic plates and shaping the earth's floor over geological time.

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Define/ Describe "Tidal Bore. How does it apply to the Chesapeake Bay?

Answers

Answer:

A tidal bore is a rare natural phenomenon in which an incoming tide creates a wave of water that travels up along a river or a narrow bay causing water to flow against the river's current. Tidal bores occur in relatively few locations worldwide.

Tidal level in the Chesapeake Bay is not affected by moon phases. During the full and new moons, the high tidal level should be the highest. During 1st and 3rd quarter moons, the high tides should be the lowest.

Explanation:

the largest oil reserves are located on what region ?

Answers

Middle East I believe, if I’m wrong feel free to correct me

Which four of the features that can form as a result of tectonic plates diverging

Answers

Deep ocean trenches, volcanoes, island arcs, undersea mountain ranges, and fault lines are a few of the phenomena that might develop along plate tectonic boundaries.

Any long, narrow, steep-sided depression in the ocean floor that is located in the deep sea is known as an oceanic trench and can range in depth from 7,300 to more than 11,000 meters.

any of the several continuous mountain chains that rise from the ocean floor is an oceanic ridge. Oceanic ridges are the largest objects in ocean basins on their own.

A fault line is a substantial break in the earth's surface. Along fault lines, earthquakes frequently happen. A fault line in a system or process refers to a section that appears frail and is likely to experience issues or fail.

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4. explain the consequences of reduced soil permeability and aeration if a soil is compacted?

Answers

Reduced soil permeability and aeration can have several consequences if a soil is compacted. These include:

1. Reduced water infiltration: Compacted soil has reduced permeability, meaning that water cannot easily infiltrate into the soil. This can lead to increased runoff and erosion, and can also make it difficult for plants to access water.

2. Reduced root growth: Compacted soil has less space for air and water, which makes it difficult for roots to grow and access nutrients. This can lead to reduced plant growth and lower crop yields.

3. Increased risk of flooding: Reduced permeability means that water cannot easily infiltrate into the soil, leading to increased surface runoff and a higher risk of flooding.

4. Reduced soil biodiversity: Compacted soil has less space for air and water, which can make it difficult for soil organisms to survive. This can lead to reduced soil biodiversity and a decline in soil health.

Overall, reduced soil permeability and aeration due to compaction can have negative impacts on both the environment and agriculture. It is important to take steps to prevent soil compaction and maintain healthy soil structure.

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Which arrow is closest to Caddo River?
a.
1
b.
C.
2
3
4
d.

Answers

Answer:

Explanation:

That is arrow B

Thank you for asking

The largest extinction, measured as a percentage of species that disappeared, occurred at the end of which geological period?.

Answers

Answer:

The Permian period is the largest mass extinction the Earth has ever known

Explanation:

The largest ever extinction, measured as a percentage of species that disappeared, is known to have occurred at the end of the Permian geological period.

What is the significance of the Permian Period?

The Permian Period can be referred to or considered as a geological period that is known to have occurred some 300 million years ago. This period is known for extinction of the species of plants and animals that were obliterated due to volcanic eruptions.

The Permian period is not only known as a period of mass extinction, but also as a period of the highest number of extinctions that ever taken place on the Earth. This period occurred even before the extinction of species like dinosaurs.

Therefore, the significance regarding Permian Period has been aforementioned.

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Which body of water is the arrow on the
map above pointing to?
A. the Murray River
B. the Darling River
C. the Waikato River
D. Sunderland Falls bbg

Which body of water is the arrow on themap above pointing to?A. the Murray RiverB. the Darling RiverC.

Answers

Answer:

The Darling River.

Explanation:

Hope this helps!!

Answer:

It should be B, since C and D are not even in Australia and the Murray River is the line that goes through Victoria. I hope I was of any helped!

A HIGH ISO is ___ sensitive to light and will have____noise in the photograph

Answers

A HIGH ISO is very sensitive to light and will have high levels of noise in the photograph

What is a high ISO setting?

A HIGH ISO setting on a camera increases its sensitivity to light, allowing it to capture brighter images in low-light conditions.

However, this increased sensitivity also leads to higher levels of digital noise in the resulting photograph. This noise appears as grainy or speckled patches throughout the image, particularly in areas of shadow or darker tones.

The level of noise will depend on the specific camera and ISO setting used, as well as factors such as shutter speed and aperture.

Balancing these factors is crucial to achieving a well-exposed, low-noise image in challenging lighting situations.

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When the San Joaquin Valley sunk by nearly 28 feet, how did the community fix the problem? Select one: a. Transported water from distant mountains to flood the area b. Reduced farming for a 5-year period c. Accessed water from a neighboring watershed d. Began providing limits on water usage

Answers

Answer:

a. Transported water from distant mountains to flood the area

Explanation:

Californian san Joaquin valley is a central valley of California that experiences a drought due to depletion of the groundwater and in 1920 it sunk up to 28 feet.   As this region depends on large volumes of water this region is considered to be arid and semi-arid, the California state water project diverted surface water into the valley helped to prevent spring flood.

Explain why red giants have very high luminosity even though they have very low surface temperatures:

Answers

Due to its extreme coolness and distance from the center compared to earlier stages of star evolution, the surface will appear red. The red giant has a relatively large surface area, which makes it incredibly bright despite its cooler surface temperature.

What are red giants?

A star that is nearing death is a red giant. It slowly grew to be many times larger than it was initially. A star may remain on the red giant stage for up to a billion years.

The star will then gradually shrink and cool to become a white dwarf, which is an ultra-dense, Earth-sized star corpse that emits only a small portion of its original energy. After many billions of years, these stars will eventually turn completely cold and stop emitting any energy.

They'll pass away as a so-called "black dwarf," a tiny, scorched-out cinder that is essentially invisible.

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1. Explain how low river channel capacity makes some city prone to floods.

2. Describe one economic and one social impact of floods.


Answers

Economic : it can ruin crops and business example hurricane harvy that causes economy to really drop a social impact is death and injuries that could happen to family and friends a whole community could possibly be hurt

What year was the National Wool Act repealed?

Answers

Dec31,1995 the national wool act of 1954 is repealed

___________________________________________________________

Answer:

Dec 31, 1995 was when the National Wool Act repealed.

___________________________________________________________

North and South Korea each possess qualities that could help the other nation. This is an example of the geographic concept of _______

Answers

Answer: regional complementarity

Explanation:

Where does convection occur? in the lithosphere


in the inner core


in the mantle


in the crust

Answers

Answer:

I'm pretty sure the answer is B

Answer:

The answer is B- Mantle. Hope this helps. :)

Explanation:

circle lake chad and the atlas mountain and what direction would a camel caravan travel to get from lake chad to the atlas mountains

Answers

To get from Lake Chad to the Atlas Mountains, a camel caravan would travel in a northwesterly direction. Here's an explanation of why: Circle Lake Chad and the Atlas Mountain: Lake Chad is located in the west-central part of Africa. The Atlas Mountains are located in northwest Africa.

The two are separated by a large stretch of land that includes the Sahara Desert. A camel caravan that wants to travel from Lake Chad to the Atlas Mountains must cross this desert. A desert caravan usually travels in the direction that will minimize the risk of dehydration and heat exhaustion caused by the sun. A journey in a northwesterly direction is often the best option because it allows for shorter journeys between Wate sources. The he Atlas Mountains are located in the northwest region of Africa, while Lake Chad is located in the central region of Africa. To reach the Atlas Mountains, a camel caravan from Lake Chad would need to travel in a northwesterly direction, passing through the Sahara desert. The direction of travel is influenced by the need to minimize the risk of dehydration and heat exhaustion due to the scorching heat of the sun.

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How do alluvial fans form?

Answers

Answer:

They are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons

Be able to describe and explain the formation of a meander and oxbow lake?

Answers

Answer:

Geology. An oxbow lake forms when a river creates a meander, due to the river's eroding bank. After a long period of time, the meander becomes very curved, and eventually the neck of the meander becomes narrower and the river cuts through the neck, cutting off the meander and forming an oxbow lake.

Explanation:

An oxbow lake starts out as a curve, or meander, in a river. A lake forms as the river finds a different, shorter, course. The meander becomes an oxbow lake along the side of the river. Oxbow lakes usually form in flat, low-lying plains close to where the river empties into another body of water.

Question 9 of 20
Arrange these events from the history of cartography in the order in which
they occurred.
To Dynamic Internet maps

Ibn Idrisi's world map

Piri Reis's map

Ptolemy's world map

Need help ASAP

Answers

Answer:

1.Ptolemy's world map

2.Ibn idrisi's world map

3.Piri Reis's map

4.Dynamic Internet maps

Explanation:

(A P E X)

The Hero's Journey
Across
1. A hero goes on an adventure, is
victorious and transforms; A hero's
journey
6. Any point of entering or beginning
7. A creature that can transform into
another shape
10. The original pattern or model
Down
2. A protagonist that lacks the
attributes that make a heroic figure
3. Correcting a wrong or injury
4. An object that has a powerful
influence on feelings and actions
5. A wise, trusted counselor or
teacher
8. A deep space, gulf or cavity
9. A person admired for brave deeds
and noble qualitites

Answers

The words to fill up the crossword titled, "The Hero's Journey" are:

Across:

1. Monomyth.6. Threshold. 7. Shape shifter. 10. Archetype.

Down:

2. Antithero. 3. Atonement. 4. Talisman. 5. Mentor. 8. Abyss. 9. Hero.

What are the words in the crossword puzzle?

The journey that a hero goes on is a monomyth and the point of entering or beginning is a threshold.

When a creature can transform into another shape or thing, they are shape shifters and the original pattern of something is its archetype.

When a protagonist lacks the properties of a hero, they are antiheroes but when they are admired for brave deeds, they are heroes.

Correcting a wrong that we did is atonement and when an object has a powerful influence on others it is likely a talisman. Mentors are wise people who we trust to counsel us.

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Which issues have led to civil unrest in Southwest Asia?



Choose ALL answers that are correct.


A.the problems arising from the scarcity of water


B.the increase of Southeastern Asian emigrants into the area


C.the rise of Islamist political groups


D.the desire to control oil fields

Answers

Answer:

A.the problems arising from the scarcity of water, D.the desire to control oil fields and

Which of the following is not one of the observed characteristics of our solar system?

Answers

Answer:

under the following where

Explanation:

add a photo and maybe i could help you

0. if earth was to be hit by an extraterrestrial object, where in the solar system could it come from and how would we know its source region?

Answers

If Earth were to be hit by an extraterrestrial object, it could potentially come from various regions within the solar system. The most common sources of such objects are asteroids and comets. Asteroids are rocky and metallic objects that mostly orbit in the asteroid belt between Mars and Jupiter, but they can also have orbits that cross Earth's path.

Comets, on the other hand, are icy bodies that originate from the outer regions of the solar system, such as the Kuiper Belt or the Oort Cloud. To determine the source region of an extraterrestrial object, scientists rely on several methods. One crucial factor is the object's trajectory and orbit. By tracking the object's path and calculating its orbital parameters, scientists can determine whether it originates from a known region within the solar system. They can also analyze the object's composition and characteristics, such as its size, shape, and surface features, to gain further insights into its origin.

Additionally, the presence of certain isotopes or chemical signatures in the object's composition can provide clues about its source region. For instance, the detection of specific isotopic ratios or the presence of organic compounds associated with comets can indicate that the object originated from the outer regions of the solar system.

Various astronomical observatories, including ground-based telescopes and space-based instruments, are used to monitor and track celestial objects in the solar system. These observatories allow scientists to detect and study potentially hazardous objects, determine their trajectories, and gather data that helps in understanding their origin and nature. Continuous monitoring and advancements in technology enable early detection and provide valuable information about the source regions of extraterrestrial objects that may pose a threat to Earth.

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Which is the best example of the geographical term "site"?

Answers

Site mean the actual location of a settlement and the term also includes the physical characteristics of the landscape; include soil quality, minerals, wildlife, and etc

Heavy snowfalls are unusual in China. Occasional light snow occurs in some parts of the country. Do you think Shenyang or Guangzhou is more apt to receive snow?

Answers

Answer:

Shenyang is more adapt to snow as ot has small warm season for 4.5 months.

Explanation:

China is a country located along with East Asia and has a diverse climate that ranges from tropical and subarctic in the north. mt Everest is consumed to be china's highest point having an elevation of 8848 meters.  The snowfall coves northern China such as in Tianjin and Beijing. Central China is also cold as humidity is high and buildings are not heated. Snow is found in Shenyang during the period of November and in early December.

What best describes Georgia's transportation infrastructure today

Answers

Georgia’s transportation infrastructure today is highly developed and well-maintained.

The state has a robust highway system with over 8,000 miles of roads, as well as over 300 miles of interstate. Georgia also has a robust public transit system with over 60 transit systems, including bus, rail, and ferry services. Additionally, Georgia has a well-developed aviation infrastructure, with over 10 major airports and many smaller regional airports.

Georgia also has a large and growing freight rail system, with over 5,000 miles of track. Finally, Georgia has a growing number of bike-friendly paths and trails, with over 2,000 miles of trails throughout the state. Overall, Georgia’s transportation infrastructure is highly developed and well-maintained, providing citizens and visitors with a variety of options for getting around the state.

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I WILL GIVE BRAILIEST!!!

Why was the diet of the Folsom people different from that of the earlier Clovis people?

Answers

Answer:

Clovis people seemed to have preferred to eat Pleistocene megafauna such as mammoths, while Folsom people seem to have preferred an extinct species of giant bison

Answer:

Clovis people hunted and ate things like mammoths, extinct bison, sloths, horse, tapir, and other animals. On the other hand, Folsom people hunted and ate things like mountain sheep, deer, marmots, and cottontail rabbits.

rank these hypothetical moons from oldest to youngest based on their cratering. you can assume the moons have never been volcanically active.

Answers

The ranking of the hypothetical moons from oldest to youngest based on their cratering would be as follows: Moon with the most craters, Moon with intermediate number of craters and the Moon with the fewest craters.

In order to determine the age of the three hypothetical moons, their cratering must be taken into consideration. Based on the cratering, the ranking from oldest to youngest would be as follows: the moon with the most craters, then the moon with an intermediate number of craters, and finally the moon with the fewest craters.

This is because more cratering is indicative of a moon that is older, as it has had more time to accumulate impacts from meteoroids. Therefore, the moon with the most craters is the oldest, and the moon with the fewest craters is the youngest.

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Classify the following soil using USCS. Soil test data: • Percent finer than No. 4 sieve = 100; • Percent finer than No. 200 sieve = 77; Liquid Limit = 63; Plastic Limit = 38; • Inorganic soil . 1. Is it Fine-grained or Coarse-grained soil? 2. Is it high compressible or low compressible soil? ► 3. Is it Silt or Clay? 4. Final Soil Type =

Answers

The United States Army Corps of Engineers has created the Unified Soil Classification System (USCS) as a standardized system for classifying soils.Classification systems have been established for soil engineering and geological purposes.     1. Fine-grained soil.     2. High compressible soil.         3. Silt.   4. Silty clay Soil


The following is the information required to classify the soil based on the USCS:

Percent finer than #4 sieve = 100%Percent finer than #200 sieve = 77%Liquid Limit (LL) = 63%Plastic Limit (PL) = 38%

Soil is inorganic.

Soil classification using the Unified Soil Classification System (USCS):

The soil is classified using the Unified Soil Classification System (USCS) based on the data given as follows:

Percentage of Fine Grains (No.4 Sieve) = 100%Percentage of Fine Grains (No.200 Sieve) = 77%

From the above, we can see that this soil sample has a fine-grained texture.

Liquid Limit (LL) = 63%.Plastic Limit (PL) = 38%

From the above, we can see that this soil sample has a high compressibility property. Hence, it is highly compressible.

Soil Type = Fines (Silt)Final Soil Type = Silty Clay (SC)

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