Select the correct answer.
Which isotope is used to date ancient artifacts such as fossils?
O A.
carbon-12
O
B.
carbon-14
O c. uranium-238
OD. oxygen-16

Carbon-14

Source: "Carbon-14 dating is a way of determining the age of certain archaeological artifacts of a biological origin up to about 50,000 years old. It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities. " (HowStuffWorks)

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.