- Place the following economic activities in order, starting with those
activities closest to natural resources and ending with those farthest away.
I. Use raw materials to produce or manufacture something new and
more valuable.
II. Professions that process, administer, and disseminate information
(e.g., computer engineers and lawyers).
III. Agriculture, fishing, hunting, herding, forestry, and mining.
IV. Include all activities that amount to doing service for others (e.g.,
doctors and secretaries).
(A) I, II, III, IV
(B) I, III, IV, II
(C) III, I, II, IV
(D) III, I, IV, II
(E) II, IV, I, III
- Most of the municipal trash floating in the ocean is composed of (A) plastic
(B) paper
(C) wood
(D) metal cans
(E) yard wastes
- Most of Earth’s mass is found in this region, which is composed of iron,
magnesium, aluminum, and silicon-oxygen compounds. At over 1800°F
(1000°C), most of this region is solid but the upper third is more plastic-like
in nature. Which region is being described?
(A) Troposphere
(B) Lithosphere
(C) Crust
(D) Mantle
(E) Core
- Which of the following statements regarding coral reefs is FALSE?
(A) Modern reefs can be as much as 2.5 million years old.
(B) Coral reefs capture about half of all the calcium flowing into the ocean
every year, fixing it into calcium carbonate rock at very high rates.
(C) Coral reefs store large amounts organic carbon and are very effective
