Biology

Biology, 13.07.2019 02:30, marionyallop9205

The sub-field hydrology select one: a. ocean life b. fresh water systems c. hydrogen d. hyper-technology

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Chemistry, 03.08.2019 07:00, kaylamount

For ! hurry though only have 5 of all the water on the earth, only about 3% is fresh water. 68% of all the freshwater is frozen as glaciers and is unavailable for human consumption. we have the technology to desalinate the ocean water to make it drinkable. why is it that we do not desalinate water on a large scale to increase the total amount of fresh water available for humans?

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Biology, 29.08.2019 22:20, hooplikenari

Salmon eggs hatch in fresh water. the fish then migrate to the ocean (a hypertonic solution) and, after several years of feeding and growing, return to fresh water to breed. how can these organisms make the transition from fresh water to ocean water and back to fresh water? a. salmon in fresh water excrete concentrated urine, and salmon in salt water secrete dilute urine. b. the rectal gland functions in the ocean water, and chloride cells function in fresh water. c. the salt transport mechanisms of the gill epithelia change during migration. d. their metabolism changes in salt water to degrade electrolytes.

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Physics, 23.09.2019 02:30, LillySchool6529

In cities, the area in which rain water can seep into the ground is reduced. water flows over roads, then the runoff is carried out to sea through drainage systems. how does the runoff from cities affect ocean systems? a. ocean systems are improved by receiving more water. b. ocean systems are damaged with more pollutants. c. ocean systems are improved by the addition of nutrients. d. ocean systems are damaged with the loss of sediments.

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Biology, 11.10.2019 12:30, myth28

In cities, the area in which rainwater can seep into the ground is reduced. water flows over roads, then the runoff is carried out to sea through drainage systems. how does the runoff from cities affect ocean systems? a. ocean systems are damaged with the loss of sediments. b. ocean systems are improved by receiving more water. c. ocean systems are improved by the addition of nutrients. d. ocean systems are damaged with more pollutants.

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