Answer:
B) Identifying the minerals within it
Explanation:
Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date the age of rock layers.
It takes place in the mitochondria.
B) Ecosystem - which includes the living communities and nonliving factors in an environment
Active transport is the movement of particles against the concentration gradient
Explanation:
multicellular organisms rely on mitochondria & getting food supplies by bloodstream...
