Which term defines a well tested, scientifically supported statement that explains how something works?

A. hypothesis

B. law

C. observation

D. theory

Which statement describes the blood type of a person with the alleles ii? It is type AB because i is recessive. It is type AB because i is codominant. It is type O because i is recessive. It is type O because i is codominant.

What conditions allow for the exponential growth of a population?

Interstellar clouds of dust where stars form are known as

4. The storage area of a cell is called an

An experiment is performed with peppered moths. the table below shows the populations of light-colored moths and dark-colored moths before and after the trees turned black.

Find the common radio of the sequence. - 4,8,-16,32,

Grandpa Sam used to tell his grandkids how he first laid eyes on Grandma Sylvia. "When I was courting your granny, I was dazzled by her beautiful, LONG eyelashes. What a looker she was." "Yes, and a handsome man he was too," said Grandma Sylvia.

Jim is categorized as poor. Thus Jim's daily income must be less than how much dollars? Jim must be earning less than dollars per day.

Why does blood pressure decrease as the blood travels from arteriesto arterioles to capillaries?

Kangaroos that nurse their young in a pouch are what type of mammal? monotreme marsupial placental mammal