What are penguins mammals, birds, amphibians.

A bright star what have a negative number for its absolute magnitude

Which evidence is most likely used to indicate the beginning of solar system formation? O Materials combined to form a mass. O Materials were pulled together by gravity o Water condensed and collected to form oceans.

What are 2 major reservations of carbn dioxide on earth

Fur color in squirrels can be black, brown, or white. Black is dominant to brown. White results when the pigment produced by the skin cells lacks the enzyme necessary for its transfer to the hair follicle.

A star gives off heat and light from the nuclear fusion reaction that takes place inside. What change happenes durning the nuclear reaction?

What 2 resources might 2 species compete with

How are stock speculators different from stock investors?

A condition called an aneurysm occurs when a

Which one of the following molecules is a by-product of cellular respiration? a. Glucose b. Oxygen c. Pyruvate d. Water

What substances, present in fruits and vegetables, provide significant health benefits such as reducing the risk of cancer?