The energy available in food can be measured by
a. first determining which nutrients the body needs.
b. burning the food.
c. tracing chemical pathways.
d. all of the above.

What is the main causes of gray hairs and balding? write your answer in 2 paragraphs

According to your text, the best way to reduce the number of germs is by ventilating spaces and a. cleaning all toys, books, and materials every day. b. keeping all potentially sick individuals out of the center. c. minimizing strenuous physical activity among the children. d. cleaning, sanitizing, and disinfecting surfaces and materials.

2paragraphs choose one team sport and one individual sport. what are the advantages and disadvantages of having to play each of these sports in gym class?