Which organisms live in the neritic zone? A. anglerfish
B. chemosynthetic bacteria
C. phytoplankton
D. all of the above

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

What element does susan b. anthony include in this passage to strengthen her argument?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food