The reaction that occurs in our bodies when we perceive danger is the

What is the following best defines climate?

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.

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants