Answer:
A.
Explanation:
A. 1930s. They began in the 1930s.
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Majority of the terrestrial planets exhibited tectonic activity while none of the gas giants have.
<h3>What is an example of
terrestrial & gas planets?</h3>
The terrestrial planet includes Earth and Mars that is habitable because of favorable condition while the gas planets includes Jupiter, Uranus that are not habitable because of the atmospheric condition.
However, we should understand that the terrestrial planets exhibited tectonic activity while none of the gas giants have.
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Answer:
About 10,000 times warmer than earth.
Explanation:
- At the outermost layer of the sun i.e the corona the sun can go up to 3,600,000° F. The core is 3 times hotter than this layer compared to earth am an estimate of the value of earth's interior and outer core is at 6,000 C i.e about 10,800 degrees.
- As there is an increase of 100 degrees as we go interior of the earth with every 1 degree of depth. The inner core of a completely solid object covering 20% of the radius of the earth. The difference between the outer and inner core temperature is of 2,700-degrees.
- Thus planet earth is different from terrestrial rocky mass and the sun is a giant gaseous star with more than enough heat to last many centuries.