<span> The ancient Egyptians were much more advanced than other civilizations in their era. One of their amazing achievements was inventing the calendar. They invented the calendar so they could know at what time of the year the Nile River would flood. Here is a picture of their calendar compared to ours. </span>
The atmosphere helps us breathe,it provides a shield(radiation shield), a security blanket to keep us warm, and last but not least weathering the storms.
I think its A, I might not be correct though. <span>the Securities and Exchange Commission(SEC)—to prevent another stock market crash by more government control/regulation in stock transactions.</span>
The answer is B, a systematic extermination of a people