How many eyelids does a camel have?

Study this image which statement best describes the rock shown check all that apply

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.

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above