Answer:
A. He was concentrating hard on his book
Answer:
Its history was said to date back period during the British Revolutionary War. It is believed that a large rock was found here so it was used as a target practice by British warships.
Explanation:
<span>Christine Mann, a
revered African American data analyst, Aeronautical Engineer and mathematician.
Mann in her early life was involved in Civil Rights Movement protests. She in
her school life was part of many sit-ins alongside her friends. In 1967 she was
hired by NASA. She has been featured in many magazines as a noted African
American woman with an influential personality. Christine became the first
African American woman at Langley Research Center to have achieved Federal
Civil Service’s top rank.</span>
