Based upon the ph scale, a vegetable with a ph of 5.3 would be
a. acidic. b. basic. c. neutral. d. ionic.

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Which description provides the best objective summary of the article in the passage?

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