What two types of cells are involved in immune response and have the job of creating a "memory" of exposed pathogens? * a)A cells and B cells
b)T cells and A cells
c)T cells and B cells
d)red and white blood cells

B  

Explanation:

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

chemical because it warmed up which involves temperature and it bubbled which includes changing

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