The earth's distance from space is 0 because it is in space
The principal that states that younger rocks lie above other rocks in the superposition principal.
Answer:
People not having to work to feed themselves for the earth provided food in abundance.
Explanation:
Tsunami I think, hope this helps
Example picture for a valley
Explanation:
A valley formed by flowing water, called fluvial valley or river valley, is usually V-shaped. The exact shape will depend on the characteristics of the stream flowing through it. Rivers with steep gradients, as in mountain ranges, produce steep walls and a bottom.