why are living organisms contain more hydrogen atoms than any other atoms, yet 65% of a typical organism's mass is oxygen.

Compare and contrast the two types of rainforests. Be sure to include information for both biotic and abiotic factors.

Describe how genes are transferred.

What functions of the body are most obviously affected by alcohol? those controlled by the brain those controlled by the pancreas those controlled by the kidneys those controlled by the liver?

The paper clip, which is denser than water, floats on the surface because of water's surface tension. Surface tension is a property of water that is the result of polar water molecules sticking together or water's property of

What is one difference between primary and secondary succession?

If you put three cells in an isotonic solution what will happen to them.

How does the presence of a mid ocean ridge most likely affect the nearby ocean currents? A lt speeds up surface currents B. it changes the course of surface currents C. It changes the course of deep ocean currents. D.

I need to know two structures that allow arthropods to breathe air?

Explain the similarity between aquifers and banks.

How is decaying organic matter important to the carbon cycle? 1. It produces fossil fuels that store energy 2. It fixes carbon from the atmosphere 3. It transfers usable carbon from plants to animals 4. It returns carbon to carbon dioxide gas