In the diagram below, D is the
A) hadal zone.
B) mesopelagic zone.
C) epipelagic zone.
D) benthic zone.
A) hadal zone.
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The Acadian orogeny occurred as a result of:
a. continental-continental collision followed by oceanic-continental collision. b. oceanic-continental collision. c. continental-continental collision. d. oceanic-continental collision followed by continental-continental collision. e. continental-continental collision followed by transform faulting.
According to the principle of substitutability:
a) the price of basic commodities has risen because they cannot be substituted by alternatives. b) the five metals used in Simons’ and Ehrlich’s wager have since been substituted for others. c) human intellect devises creative ways to substitute new resources to solve resource scarcity. d) people are substitutable; those who die of starvation and disease will always be replaced by new births that result from increased population.
Which of the following is an example of numerical time?
A. The Silurian period occurred before the Devonian Period. B. The Silurian period began approximately 438 million years ago.
Which energy resource is virtually inexhaustible?
A) coal B) hydropower C) natural gas D) nuclear power E) oil