V-shaped valley
As the river erodes downwards the sides of the valley are exposed to freeze-thaw weathering which loosens the rocks (some of which will fall into the river) and steepens the valley sides. The rocks which have fallen into the river help the process of corrasion and this leads to further erosion.
Water and carbon dioxide are used to build atp and release oxygen
fairly certain that is correct. if i am wrong, you may hate me forever. hope that helps \m/
Answer:
it has many years on it
Explanation:
it is old so it is not new
Protons electrons and newtrons
<span>The protons and neutrons are located in the nucleus of the atom</span>
