People, coal, and gasoline are sources of CO2
The independent variable is the one variable you manipulate in the experiment
The dependent variable (or responding variable) changes as a result of the independent variable
Answer:
The oceans could become polluted with oil, coal, and other contaminents that would come about when mining in such a grand scale
Explanation:
Glucagon. It stimulates the liver to convert stored glycogen to glucose.
Structure and Function is my answer