Question

review the details below. dr. carl sagan was the co - host and co - writer of cosmos: a personal voyage, a thirteen - part pbs series watched by 750 million people. as an astronomy and space sciences professor at cornell university, dr. carl sagan edited a scientific journal, published books, and appeared frequently as a guest on late - night talk shows. dr. carl sagan wrote a highly popular companion book for the series cosmos, as well as the follow - up book pale blue dot: a vision of the human future in space. choose the best topic sentence to introduce a paragraph containing these details. tv series and books designed for the average person are the best ways to get the public interested in scientific topics. dr. carl sagan was a gifted communicator who used his vast knowledge to share scientific topics with millions of people. dr. carl sagan used his credibility as an academic to co - host and co - write cosmos: a personal voyage.

Explanation:

The details describe Carl Sagan's multiple - ways of sharing scientific knowledge like hosting a TV series, writing books etc. The second option best sums up his role as a communicator of science.

Answer:

Dr. Carl Sagan was a gifted communicator who used his vast knowledge to share scientific topics with millions of people.