Answer:
D. Walter Cunningham
Explanation:
Walter Cunningham is one of the prominent astronauts in American history. Although he's already retired, he's currently the chairman of the<em> Texas Aerospace Commission.</em> So, this makes him a Texas scientific leader.
Together with Schirra and Don Eisele, Cunningham helped created the first-ever live television transmission from space. It was broadcast from Apollo 7 <em>(October 1968)</em>, which was an<u> eleven-day flight</u> towards moon.
So, this explains the answer.
Answer:
I believe it is B.digging sticks. I am sorry if isn't the correct answer.
Hope this helps!!!