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.
<span>The uppermost vertebrae in the neck is called "atlas", and the second highest vertebrae in the neck is called axis". These vertebrae can also be referred to as C1 and C2, which refers to their position along the cervical chain.</span>
Answer:
The preserved animal tracks should be stored with mold and should be traced, and any missing layers should be kept and be stored hard.
Explanation: