Answer:
D, helping civilizations grow lots of food.
Explanation:
Due to the surplus they were getting from the soil.
Jonas Edward Salk (October 28, 1914 – June 23, 1995) was an American medical researcher and virologist. He discovered and developed one of the first successful polio vaccines.
Some of the new important new ideas of the Renaissance include the Renaissance art, science, and literature. As for the art, it displays religious and non-religious representations and it is more graphical with emphasis on nature. Next, the Renaissance science basically focuses on the ancient works for the Greeks through the use of observation in experiments. Lastly, the Renaissance literature tells us about personal life histories<span> and essays in the form of literary writing which were imitations of the Greek and Roman writers.</span>