control group, because they are the group that is not being tested on.
Well you can find the answer on the first page
Answer:
Earth orbits the Sun at an average distance of 149.60 million km (92.96 million mi), and one complete orbit takes 365.256 days (1 sidereal year), during which time Earth has traveled 940 million km (584 million mi).
Answer: Oxygen (I don’t see the options)
Explanation: A greenhouse gas is a gas that produces heat as it builds up in the atmosphere. It also becomes trapped in the atmosphere, so it cannot escape the inner layers of Earth's atmosphere. As a result, these gases cause pollution because they dirty up the atmosphere.
Carbon dioxide is a main greenhouse gas, found in car exhaust pipes.
Methane and nitrous oxide is another type of greenhouse gas.
*Oxygen is the only clean gas out there because we need it to survive. Therefore, the only gas that is not a greenhouse gas*
Answer:
It's A. The next Compression.
Explanation:
Hope this helps :))
