What causes us to see phases of the moon from our perspective on Earth?

Which events occurred during the space race? check all that apply. (a) nasa was established. (b) yuri gagarin orbited earth. (c) the soviet union launched salyut. (d) the united states launched skylab. (e) the united states launched explorer 1.

Acountry that is changing its economic focus from agriculture to industry has a economy. a. mixed b. command c. developing d. traditional (not d)

Astudent in a skill or trade training program who is learning by gaining experience is a(n) a. mentor b. volunteer c. colleague d. apprentice