What is an ebb current?
A) The rise in sea level as a tide crest approaches
B) The rise in sea level as a tide trough approaches
C) The fall in sea level as a tide trough approaches
D) The fall in sea level as a tide crest approaches
C
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Which of the following best matches the description?Greenhouse gas released into the atmosphere from cattle and rice paddies
A. Nitrous oxide. B. Methane. C. Kyoto Protocol. D. greenhouse gases. E. IPCC. F. climate change. G. CFCs. H. Greenhouse effect. I. Carbon dioxide. J. Global warming.
Which of the following DOES NOT belong to the rock cycle?
a) sedimentary b) igneous c) metamorphic d) meteorites e) all of the above are part of the rock cycle
Why is peridote considered a coarse-grained ultramafic rock?
A) It contains a lot of silica. B) It contains a lot of feldspar. C) It contains a medium amount of silica. D) It contains very little silica.
How long does it take most deep water to rise to the surface?
A) 100 to 200 years B) 200 to 300 years C) 500 to 600 years D) 1,500 to 1,600 years