When we sleep, we generally don't consume water. Decreased water absorption in the intestines reduces the amount of water in the blood. a) How would this impact Na+ concentration in the blood?

b) How might the kidneys regulate Na+ concentration during the night?

c) How would the concentration of Na+ and water in the urine first thing in the morning be different from urine composition later in the day?

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

Wht happens as electrons in the electron transport chain release their energy

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere