Answer:
<em>Nitrogen</em>
Explanation:
<u>Composition of the Atmosphere</u>
The atmosphere contains several gases, most of them in small amounts, which may include some pollutants and greenhouse gases.
The most abundant gas in the atmosphere is nitrogen (78%), followed by oxygen (21%) as the second. The inert gas called Argon is the third most abundant gas in the atmosphere (less than 1%).
Finally, the fourth most abundant gas in Earth's atmosphere is Carbon dioxide
Answer:
Trees grow everywhere, so we always have some
Explanation:
Wood is a renewable resource; trees can be replanted and grown to maturity in place of those that are cut down. As long as the trees are replanted at the same rate as they are cut down wood will be a renewable resource.