Question: How do plants and animals depend on each other? 1. Observe: Put one sprig of Elodea and one snail in a test tube with the lights on. Click Play.
A. Does the color of the water in the tube change?
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B. What happens to the O2 and CO2 levels?

Someone me with this: a mineral' is determined by its actomic structure.

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.

Match each description to the level of organization