Which macronutrient in the human diet helps to build and repair body tissues?
a. Proteins
b. Carbohydrates
c. Oils
d. Fats
e. both oils and proteins
A
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The iron in banded iron formations is found in this form:a
iron sulfides d. iron carbonates b. iron oxides e. none of the above c. iron silicates
Which biome is characterized by permafrost?
A) Tundra B) High latitude temperate forests C) Cold deserts D) High latitude coniferous forests
The book argues that under moral holism,
a. environmental problems have emerged because we have tried to pretend that we are distinct from nature. b. people are part of nature. c. “Follow nature” is superfluous advice. d. All of the above.
If world energy consumption remains constant, proved reserves of oil would last for how many years?
A) 40 years B) 80 years C) 160 years D) 320 years E) 640 years