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Rama09 [41]
2 years ago
11

Hich of these best describes Earth’s mantle?

Physics
1 answer:
Neko [114]2 years ago
5 0

Answer:

Middle layer, density increases with depth as pressure increases

Explanation:

The Earth's mantle is the middle layer of the earth. It is the largest layer of the earth consisting of about 83 % of the earth's volume and continues to a depth of 2900 km. Also, the mantle is hot and made of solid rock. It is hot since it is close to the core and its pressure and density increases with depth causing it to be more solid.

So, the Earth's mantle is the middle layer, density increases with depth as pressure increases.

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Some birds migrate 20,000 miles. If 1 mile equals 1.6 kilometers, calculate the distance these birds fly in kilometers.
faust18 [17]
Set up a proportion

1 mile/1.6 km = 20,000miles/x

Cross Multiply
x = (20,000) * (1.6)
x = 32,000 kilometers
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3 years ago
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Which property of light remains unchanged when it enters a different medium?
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The FREQUENCY of light remains unchanged once it leaves the source.
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A pronghorn, the fastest North American animal, is capable of running for at 18 m/s (40 mph) for 10 minutes. The time limit isn’
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Explanation:

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3 years ago
What is the speed shown in the graph? which number do i start on?
den301095 [7]

Answer:

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3 0
3 years ago
A gas at a pressure of 2.10 atm undergoes a quasi static isobaric expansion from 3.70 to 5.40 L. How much work is done by the ga
BartSMP [9]

Answer:

Total work done in expansion will be 3.60\times 10^5J

Explanation:

We have given pressure P = 2.10 atm

We know that 1 atm =1.01\times 10^5Pa

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So initial volume V_1=3.70liter

And final volume V_2=5.40liter

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So total work done in expansion will be 3.60\times 10^5J

5 0
2 years ago
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