Plants on Earth provide food, some even provide shelter to some animals, and plants such as trees provide oxygen to the environment.
Lava<span> is molten rock. It is </span>created<span> deep beneath Earth's surface (often 100 miles or more underground), where temperatures get hot enough to melt rock. Scientists call this molten rock magma when it's underground.</span>Lava<span> is molten rock.
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Answer:
It has increased
Explanation:
The concentration of carbon dioxide in the atmosphere has increased in the last 200 years. The extra carbon dioxide is causing an enhanced greenhouse effect greater than would happen naturally.
