Complete this sentence. Excess from human activities can cause harmful algal blooms (HABs), such as red tide, that produce toxic effects on aquatic species, marine mammals, and birds, as well as on the humans who eat them. Nitrogen
Carbon
Salt
Heat

the sphincter muscles at the end of the digestive tract is the anus.

what subject is this

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

light dependent reactions:

light independent reactions:

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