I think the answer is drilling for oil but still I'm not sure I'm sorry T_T
Answer:
autosum
Explanation:
autosum makes it easy to add adjacent cells in rows and collums
<span>D) American flags are waved by spectators down Peachtree street, and nearly everywhere red, white and blue is seen by the runners.</span>
<u>Answer: </u><em>DNA testing is crucial to clearing innocent people before they are convicted. </em>