Complete the cycle for ice wedging.

1. water seeps into cracks.

3.ice widens the cracks

- repeat.

a. water evaporates.
b. water freezes.
c. the cracks close.
d. the rock breaks.

Which of the following are energy solutions that release pollution into the air>

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

How many major plates cover the earth