Answer:
As the cleanest-burning fossil fuel, natural gas plays an important role in improving the environment by reducing air pollution and greenhouse gas emissions across the U.S. Natural gas produces half as much carbon dioxide and an even smaller fraction of other air emission generated by coal.
Explanation:
I believe the thyroid controls most, if not all of those things. (Again, I'm not entirely sure.)
Trees in the rainforest are so tall because they compete for sunlight. Hope this helps!
