The ___the contour lines are together the steeper the slope.

The steeper the slope, the ___ stream's velocity.

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

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

Select all that apply. why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color