The effects of genetic drift are more pronounced in smaller populations. true or false

How would i answer this for an exam?

The primary agent of contact metamorphism is

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.