Why are fossils in older rock layers less similar to present-day organisms than in younger layers?

Body fatness is a risk factor for which type of cancer? A. Prostate B. Mouth C. Gallbladder D. Liver E. Stomach

Which of the following is a benefit of a scientific investigation? 1. Its results do not apply to real life. 2. It can be performed in natural settings. 3. Its environment is tightly controlled. 4. It requires setting up a hypothesis.

If you wanted to conserve topsoil, which of the following actions would be the best one to take? A. fixing a leaky faucet B. limiting carbon emissions C. requiring emissions testing D. utilizing contour planting techniques

The bulk of facebook's revenue comes from:

Do we get all of our energy from the sun

What role does gravity play in mass movement

Why don't all plants have chloroplasts?

You step on something in the yard resulting in a puncture wound that does not bleed freely. antigens from any microbes that entered the wound will most likely end up in the

Do cats have funny bones

Pollution in the environment affects living things