Which unit is used to measure mass in the metric system? pound slug ounce gram

The answer is Gram.

Explanation:

A gram is a unit of measure in the metric framework that equivalents one thousandth of a kilogram. A case of a gram is .035 ounces or four portions of salt. Gram is characterized as a moniker for a grandmother.The expression gram-positive is utilized to connection to a gathering of microscopic organisms that holds the violet shading stain through Gram's strategy. Microorganisms that hold the shading violet after gram recoloring are alluded to as gram-positive as opposed to those that stain pink. The last gathering is portrayed as gram-negative

i believe the answer is c

b. heterotroph

explanation: