We have seasons because the earth is tilted as it makes its way around the sun. So its always pointed in one way at the sun, causing different asmophere as we go around the sun.
The melting of the ice caps makes Earth warmer because less solar energy is reflected due to loss of Albedo
Answer: number 1
Explanation: that is when we could first sustain life because that is when we gained atmosphere and when we could hold carbon and oxogen
Answer:
A.
Explanation:
It shows a clear view of what a group of cells of a plant would be like.
Answer:
I think that the second picture was correct
Explanation:
gravitational field is a model used to explain the influence that a massive body extends into the space around itself, producing a force on another massive body. Thus, a gravitational field is used to explain gravitational phenomena, and is measured in newtons per kilogram (N/kg)
