Answer:
see below
Explanation:
Carbohydrates contain a large amount of energy that can be released quickly inside the body. They are used as fuels to provide the energy for keeping the body alive.
The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
Answer:
B
Explanation:
Increasing greenhouse gases would lead to an increase in the average global temperature throughout this century.