Answer:
When the sun shines on earth, the sunlight warms up the earth, in the way that sunlight would warm up a greenhouse. At night, when there is no sunlight, the earth cools down, just like a greenhouse. When cooling down, the earth keeps some of the warmth trapped in the atmosphere- just like how a greenhouse would.
Answer:
They have helped nearby societies because they provided them with a sufficient and reliable water source. This allows them to get enough drinking water and allow them to easily grow their agriculture.
Answer:
3. all bodies in the solar system formed from an enormous gas cloud.
Explanation:
Nebular hypothesis -
According to this theory , the planets are made up of cloud material associated with the youthful sun , that is rotating in slow motion .
Later it was given that , all the celestial body present in the universe are composed of huge gas cloud .
Hence, from the given options , the correct statement for the nebular hypothesis is 3.