Hydrogen and oxygen are examples of which of these? elements

compounds

molecules

none of the above

Monitor and apply fix up stratorgies

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.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?