Using the location and depth of where a fossil is found to estimate age is called (4 points)

a radioactive dating

b the law of superposition

c index fossils

d the geologic time

The answer is; B

The law states that in an undisturbed layer of crust, the top layers are younger than the deeper layers. This is because as sediments are deposited, such as in the oceans, newer sediments are usually deposited over the older sediments on the bed. This is a basic law of geochronology.

Stimulus is something that causes a reaction, especially interest, excitement or energy. An example of stimulus is a shiny object for a baby. Receptors in muscles provide the brain with information about body position and movement. The brain controls the contraction of skeletal muscle. The nervous system regulates the speed at which food moves through the digestive tract.