Author Question: _____________ was the name of the world's first artificial satellite. Fill in the blank with ... (Read 67 times)

nmorano1 · **on:** Sep 10, 2018

_____________ was the name of the world's first artificial satellite.

Fill in the blank with correct word

Question 2

Those concerned with environmental security perceive environmental degradation to be as serious a threat to human societies as the traditional military threat.

Indicate whether this statement is true or false.