I need this sWhich statement describes two organ systems working together to deliver nutrients to cells?
A. The excretory system removes excess nutrients from blood as it
makes urine.

B. The blood absorbs the nutrients that the digestive system obtains
from food.

C. The respiratory system transfers oxygen removed from nutrients
to the blood.

D. The molecules of important nutrients are made from food in the digestive system

The ocean layer of a rapid temperature change with deph is known as the

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

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?