What is oxygen made up of? molecules or atoms, if molecules, what atoms are present?

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not

Resperation is a way to release carbon back into the atmosphere