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4 years ago

What is the main difference between sediment deposited by water and sediments deposited by glaciers?

1 answer:

4 0

Glaciers do not sort sediments as flowing water do. Glaciers can transport almost any size sediment easily, and when ice flow slows down or stops, the sediment is not deposited, due to the density of the ice. As a result, sediments deposited directly by ice when it melts are usually very poorly sorted compared to water.

Hope this answer will be a good help for you.

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In nuclear fission and fusion reactions mass is converted into energy. The average person in US uses around 100,000,000 J of ene

daser333 [38]

Answer:

a) The yearly energy consumption for a US population of 300 million is $3\times 10^{16} J/year$

b) The energy that would be released if a 60 kg person were converted entirely into energy is $5.4\times 10^{18}$ Joules.

c) 180 years would this amount of energy support a population of 300 million.

Explanation:

a) Average energy consumed by single person of US = 100,000,000 J/year

Then 300 million US citizen will consume:

300 million = 300 × 1,000,000 = $3\times 10^8$

The yearly energy consumption for a US population :

$100,000,000 J/year\times 3\times 10^8=3\times 10^{16} J/year$

The yearly energy consumption for a US population of 300 million is $3\times 10^{16} J/year$

b) $E = m\times c^2$

E = Energy from converted mass of m

c = speed of light

Given mass of person = m = 60 kg

$E=60 kg\times (3\times 10^8 m/s)^2 = 5.4\times 10^{18} J$

c) Energy calculated in part (b) = $E=5.4\times 10^{18} J$

The yearly energy consumption for a US population of 300 million in an year = $3\times 10^{16} J/year$

Let the that would be supported by $5.4\times 10^{18}$ Joules of energy be x.

$x\times 3\times 10^{16} J/year=5.4\times 10^{18} J$

$x=\frac{5.4\times 10^{18} J}{3\times 10^{16} J/year}=180 years$

180 years would this amount of energy support a population of 300 million.

4 0

3 years ago

what is the name of the body of water where the Mississippi River empties. What would form at the mouth of this river?

Sladkaya [172]

Answer:

Delta.

Explanation:

At the river mouth, a river loses energy and starts to deposit its sediments.

Hope this helps you :)

5 0

3 years ago

Which city in texas have (has) a border with juarez in mexico?

Effectus [21]

I think it's El Paso but I could be wrong.

7 0

3 years ago

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How long does the weathering process take?

alexgriva [62]

Answer:

Rainfall and temperature can affect the rate in which rocks weather. High temperatures and greater rainfall increase the rate of chemical weathering. Rocks in tropical regions exposed to abundant rainfall and hot temperatures weather much faster than similar rocks residing in cold, dry regions.

3 0

4 years ago

A 163 square-kilometer (km2) small island is found 2,000km from the mainland. A second, larger, 230,000km2 island is found 1,000

Maru [420]

Answer:

4) The rate of species extinction is lower on the small island than on the large island.

Explanation:

The theory of island biogeography suggested that because of the size and links to the mainland. Fewer species that are not from the island will invade because the distance from the mainland is greater. The threat of extinction due to this is low. The small island also has a lower capacity for different species due to limited resources. This would mean that there are simply fewer species to go extinct.

3 0

3 years ago

Read 2 more answers