What is the northernmost place in the 48 contiguous states?

Where does the availability of water pose the greatest problem

How many time zone are there 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.