You Are an Archaeologist with a Site in the African

question 22

Multiple Choice

You are an archaeologist with a site in the African Rift Valley and you think that you have discovered evidence that dates from 150,000 years ago. What dating method would you use to further your investigations?

• A) Carbon-14 dating of wood remains
• B) analysis of the ethnographic record
• C) close examination of plant and animal DNA
• D) K-Ar dating of volcanic rock

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Definitions:

Lymphatic

Pertaining to the lymphatic system, which is a network of tissues and organs that help rid the body of toxins and waste.

Digestive

Pertaining to digestion or the system in the body involved in the mechanical and chemical breakdown of food.

Respiratory

Relating to or affecting breathing or the organs involved in breathing.

Urinary

Pertaining to the system of organs involved in the formation, storage, and excretion of urine.