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- what is the diagram that shows how much energy is available at each level of a food web?
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energy web

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 situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids