Why are there seasons

A. earth revolves around the sun

B. earth rotates on its axis

C. earths axis titled

D. the moon revolves around earth

A child can only inherit a trait if one of the parents exhibit the trait. A. True B. False

Convection occurs when thermal energy is transferred by the movement of fluids waves electricity charges

What are pebbles and boulders carried in a stream called?

What would happen to a person who is not getting enough essential amino acids in his or her diet

What is the 2nd stage for both flowering & non-flowering plants?

What is a type of research that involves observation and collecting data but does not include control

Forms of the Ras protein found in tumors usually cause which of the following? A) DNA replication to stop B) DNA replication to be hyperactive C) cell-to-cell adhesion to be nonfunctional D) cell division to cease E) growth factor signaling to be

Which property of nervous tissue is fundamental to its function of coordinating the body's activities? O cells that are tightly packed contains extracellular matrix presence of neurons short life span

Polydactylism is a dominant trait that results in extra fingers and toes in humans. A polydactyl man marries a woman with 10 fingers and toes. They have a child that has a normal number of digits.

Why are some sediments smaller than others