Which would most likely happen if too many nutrients entered an estuary? A. Nutrients would be used up by the fish and plants, keeping the estuary in balance.
B. Algal blooms would lower dissolved oxygen levels, causing fish to suffocate.
C. Algal blooms would increase, leaving few food resources for fish.
D. Nutrients would sink to the bottom, increasing soil deposition.

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

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when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.