1. C) The soil will have no nutrients to grow the corn.
2. C) Crops may cause an increase of allergic reactions in humans
3. B) Decomposers
Carbon dioxide from the yeast comes from a process called fermentation. Fermentation is a cellular respiration process in cells that happens when oxygen is not present. If oxygen is present, the process is called aerobic respiration.
We know that copper sulfate can be used in an experiment to test whether or not a protein is at hand, etc. Hope this helps!
The coast is warmer and better environment
