If the item was marked up by 1/2 before it was placed on the sales floor, what was the price that the store paid

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

When energy is used, atp molecules convert to adp molecules. this process is called

What type of reaction is photosynthesis