There is a hundred times the amount of gaseous oxygen in the atmosphere than there is dissolved
oxygen in the ocean. Indicate whether the statement is true or false.
ANS: T
There is 36% dissolved oxygen out of all the gases found in the ocean. Oxygen is essential for all
marine and terrestrial animals. Information can be found in the section Gases Dissolve in Seawater.
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All of the following statements are indications of climate change except one. Which one?
A) temperature increases in the Northern Hemisphere B) increased precipitation in in some parts of the world C) declining mountain glaciers and shrinking Arctic sea ice D) rising sea level E) deforestation in the world's tropical regions
As glaciers and streams move, they carry loads of sediment with them…but where is the sediment ultimately going to?
A. the poles B. the shore C. the sea D. the equator
The Basel Convention is an international agreement that
A. prohibits export of hazardous waste to a country unless the country agrees to accept the shipment. B. is used to prohibit the export of electronic waste to countries without their consent. C. prohibits exports of hazardous waste to Antarctica. D. All of these statements are correct. E. None of these statements are correct.
Microlending has
A) been limited to Bangladesh and two other countries because it requires specific conditions. B) struggled because far too many poor people are unable to pay off their loans while under impoverished conditions. C) been successful in large part due to considerable investments by the United Nations to cover the losses of more than 40% of the unpaid loans. D) produced million of loans, primarily to women, in more than 40 countries with a 97% pay-back rate.