Question

what contribution did jonas salk make to science in the 1950s

Answer 1

the polio vaccine

Answer 2

thank you

Answer 3

your welcome

Answer 4

what event resulted in the creation of NASA?
a, the sputnik
b, the development of the hydrogen
c, the passage of the GL bill
d. the computer revolution

Answer 5

what was the underlying cause of the cold war
a, the Truman doctrine
b, the Kennan article
b, conflicting ideologies
c, the end of the world war two
d, stalin's overthrow