If we increased the enzymes, our food would break down too fast to process it. If there were no enzymes, the food wouldn't break down. Enzymes are so important, that without them in our saliva, we wouldn't be able to swallow or chew our food.
Atmosphere and climate. There are several hypotheses about the nature and cause of the Carboniferous Rainforest Collapse, some of which include climate change. ... The carboniferous period is characterised by the formation of coal deposits which were formed within a context of the removal of atmospheric carbon.
