describing the age of earth\nfill in the blanks to complete each statement about the age of earth. according…

describing the age of earth\nfill in the blanks to complete each statement about the age of earth. according to scientific evidence, earth is approximately 4.6 years old. scientists used dating to determine earth’s age.

describing the age of earth\nfill in the blanks to complete each statement about the age of earth. according to scientific evidence, earth is approximately 4.6 years old. scientists used dating to determine earth’s age.

Answer

Answer:

  1. billion
  2. radiometric

Brief Explanations:

Earth is about 4.6 billion years old. Radiometric dating, which measures the decay of radioactive isotopes, is used to determine Earth's age.