The brain is primarily comprised of two different kinds of cells. they are neurons and:

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Explain how scientists use geologic time to determine the age of landforms.