Consumption in phytoplankton usually exceeds carbohydrate production which is why we end up with oxygen
Indicate whether the statement is true or false
False
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Developers and resource extractors have proposed that
A. national parks should be opened to commercial development B. public lands should be valued for their biodiversity. C. extractors should not get subsidies for mining on public lands. D. the American people deserve fair compensation for use of their property. E. extractors should be fully responsible for any environmental damage they cause.
Judge the following sentence according to the criteria given below: Accretionary terrains are much less
likely to develop around the margins of the Atlantic Ocean than the Pacific BECAUSE the Pacific Ocean is much larger in area than the Atlantic. a. The assertion and reason are both correct, and the reason is valid. b. The assertion and reason are both correct, and the reason is invalid. c. The assertion is correct and the reason is incorrect. d. The assertion is incorrect and the reason is correct. e. Both the assertion and the reason are incorrect
Calderas are formed when ____
A)low-viscosity magma flows out into very large areas and cools B)pyroclastic flows mix with lava flows C)the volcanic pipe is plugged and the increase in pressure causes a huge explosion D)part of a magma chamber drains and the mountain's summit collapses into the vacated space below E)large explosions at the base of a volcano cause the volcano to collapse
The two most abundant elements in the crust are
A. iron and aluminum. B. oxygen and silicon. C. sodium and calcium. D. magnesium and potassium.