3 Refer to the accompanying hypothetical plate map to answer the fol- lowing questions:

a. How many portions of plates are shown?

b. Explain why active volcanoes are more likely to be found on conti-

nents A and B than on continent C.

c. Provide one scenario in which volcanic activity might be triggered

on continent C.

Which of the following statements accurately defines epidermis? a. a thick protein fiber composed of the protein collagen b. hard, dense bone tissue found on the outer surface of a bone c. single layer of epithelial cells and the underlying basal lamina d. outer, protective layer of the skin composed of stratified squamous keratinized epithelial tissue