The answer would be : sodium-potassium pump.
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Photon
The solid waste produced by a sewage-treatment plant is called Sludge
Answer: Option C
<u>Explanation:</u>
Sludge is a semi-strong slurry which is created as end product of mechanical procedures such as from water treatment, wastewater treatment or on location sanitation frameworks. For instance, it may be delivered as a settled suspension acquired from customary drinking water treatment, as sewage muck from wastewater treatment forms or as fecal slime from pit toilets and septic tanks. The term is additionally here and there utilized as a conventional term for solids isolated from suspension in a fluid.
Answer:
Phytoplankton production is necessary to begin a food web in an ocean ecosystem.
Explanation: Hope it helps you :)))))))
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I believe it is Wegener's theory did not explain how the continents could move.
Coal was the driving force behind 1800s culture
