The first person to map the Milky Way Galaxy using radio waves was
O Karl Jansky
Grote Reber
O Albert Einstein
O Sir Isaac Newton

Grote Reber

Explanation:

i took the test

Grote Reber

Explanation:

appeal to ethos is your answer.

the correct answers are:

c. “never in the history of his people had a man married a woman who spoke a different tongue.”

d. “‘it has never been heard,’ was the verdict of an old man speaking a few weeks later.”

e. “this man had come with others to commiserate with okeke.”