Because plate movements have raised ancient sea floors above sea level, a. there is less coral than there used to be. b. coral reefs are only found in the deep oc

B. coral reefs are only found in the deep oc

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.