What is a hemisphere? a) the line of longitude known as the prime meridian. b) one-fourth of the area on earth. c) the line of latitude known as the equator. d) a half of the world, split by either the prime meridian or the equator

From where does the solar winds generate

In the diagram, δgef and δhef are congruent. what is the value of x?

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.