Which event began the space race a)Yuri Gagarin went to space
b)The United States established NASA
c)The United States launched Explorer 1
d)The Soviet Union launched Sputnik 1

What is the mostly tropical region in asia

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d

Which characteristics of temperature and salinity have the greatest influence on the movement of deep-ocean currentsa. warm and low salinityb. cold and high salinityc. cold and low salinityd. warm and high salinity