The presence of U-shaped valleys is the best evidence that glaciers one covered an area. The correct answer is B, U-shaped valleys.
Silica is something in the magma, so it is a pretty important part of magma because it pretty much a part that makes magma!
During an earthquake, the first waves to be detected are the p-waves where p stands for (primary). Those are then followed by the compressional s- or secondary waves. Finally come the surface waves, which are the most destructive of the three.
Answer:
c
Explanation:
can't plant in artic or water
Radioactive isotopes<span> are powerful tools </span>used<span> to diagnose and treat a variety of illnesses.
Hope this helps!
-Payshence xoxo</span>
