Answer: A
Explanation: Because there were overhead spacial objects with telecommunications in Russia, the US military feared that Sputnik could be used to issue ballistic missles or in warfare. In doing so the US began to develope a system for anti-ballistic missle defense. Long range missle weaponry existed before the Cold-War.
The answer is B settlement of Arkansas post
Answer:
The greenhouse effect is often caused by the atmospheric accumulation of gases. Those gases tend to be Carbon Dioxide and/or Methane
Explanation:
The greenhouse effect is caused by these gases because Carbon Dioxide and Methane absorb some of the heat that radiates off of Earth's surface, trapping the heat and then the greenhouse gases absorb the heat and it leads to a rise in its temperature
The answer is C i hope it’s right
