How can headings you navigate informational text? a) they are bold so you can see them. b) they can show you sections of main ideas. c) they can teach you critical reading skills. d) they can define vocabulary for you.

The answer is A, They are bold so you can see them

Explanation:

a

explanation:

the apollo program, also known as project apollo, was the third united states human spaceflight program carried out by the national aeronautics and space administration (nasa), which succeeded in landing the first humans on the moon from 1969 to 1972.