If you are exposed to ancient Peruvian art for the first time and experience some difficulty trying to figure out the meaning and quality of the art, you would be forced to simply examine the specific elements of the art since you do not have any background cultural information to use as a context in understanding the art. This would be an example of

If each human lung contains about 300 million alveoli with a summed total surface area for gas exchange of 40 square meters, what is the approximate surface area of a single alveolus?  

A.  0.133 square micrometers B.  7.5 square micrometers C.  750 square micrometers D.  1.33 square micrometers E.  133 square millimeters F.  7.5 square millimeters Clarify Question   What is the key concept addressed by the question? What type of thinking is required?   Gather Content What do you already know about alveoli? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer?   Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Which biome is characterized by plants whose leaves drop off in the wintertime?

a. coniferous forest b. tundra c. temperate deciduous forest d. tropical rain forest e. boreal forest

A vein is a blood vessel that always carries

a. blood toward the heart. b. blood away from the heart. c. oxygen-rich blood. d. oxygen-poor blood.

The secretions of digestive juices are controlled by the nervous system, as well as by digestive hormones.

Answer the following statement true (T) or false (F)