Scientific theories are more like laws than hypotheses.

True False

If a brown-eyed mother and a blue-eyed father have four children, three will probably have brown eyes. What can you conclude from this?

during the solar eclips, explain why we should observe this event on the water surface in a basin of water

Differences between an artificial and a "normal" heart.

Name the seven continents of the world!

The two major sets of reactions involved in photosynthesis are

The list below includes three organ systems that are directly used when a human runs. circulatory system muscular system skeletal system Which system should also be included in the list?

In an ocean, the parrotfish feed on marine plants, big fish feed on parrotfish, and sharks feed on the big fish. What are sharks in the food chain? producers primary consumers secondary consumers tertiary consumers decomposers NextReset

What does the respiratory system do? a. moves blood around the body b. defends against invaders c. sends hormones to the body d. brings oxygen into the body?

Coals, oils and gas are examples of

Abstaining from alcohol can reverse some abnormalities in the brain in patients with alcohol dementia. a. True b. False