An electron in the outermost energy level of an atom A. Atomic number
B. Valence electron
C. Groups
D. Periods

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.

Diffusion and osmosis are forms of passive transport

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?