If the root equi- means "equal," what does equinox mean?
a) the same temperatures for a period of time
b) the same distance from the north pole and south pole
c) when the length of day and the length of night are the same

Models are non-visual ways of coummincating how someone thinks about something in the natural world

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters