The answer is Water cycle because that is what photosynthesis is
The lifetime risk of developing cancer is a chance a person has over his or her lifetime and can be diagnose of having a cancer. In the scenario about the cancer risks, the answer would be c. the more you drink, the lower your risk is. The more alcohol one's drink does not mean it will lower one's risk of developing cancer.
The answer is the endocrine system.
The brainest answer would be apprenticed.
After millions of years, the remains of living things will turn into fossil fuels which are natural fuels. The combustion of these fossil fuels is important for the running of machinery, raising temperature in reactions and many more.