The thin layer of living things, of which we are an inseparable part, is the
A) lithosphere.
B) hydrosphere.
C) biosphere.
D) troposphere.
Answer: C
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The U.S. has set aside a larger proportion of land area for biodiversity than any other country in the world.
Answer the following statement true (T) or false (F)
Which country has the largest portion of the world's proven oil reserves?
A. China B. United States C. Russia D. Ukraine E. Venezuela
As a source of energy, developed countries rely on ________ the most, while developing countries rely more heavily on ________
A) fossil fuels; nuclear power B) wood and other biofuels; fossil fuels C) coal; oil and natural gas D) oil and natural gas; coal
Glass bottles or aluminum cans may be recycled into similar new bottles and cans; recycled plastic objects generally can't be remanufactured back into the same objects.
Answer the following statement true (T) or false (F)