Most likely A or E.. not completely sure but A and E<span />
Sandstone rocks<span> are most likely the result of compacting and cementing particles together.</span>
The first option for 1 and the second option for 2
During the day the sun burns up and the sand soaks up the heat causing a oven effect.
<span>While at night the wind will blow, and the sun is gone so the effect is like garages in the night. A great way to Yahoo or google search is "Desert climate and effects."</span>
I believe it would be sperm