Biology, 03.08.2019 08:10 Jasten

How are convection currents in the mantle (geosphere) and in the oceans (hydrosphere) similar ? how are they different ? i need an answer

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Answer from: jogose6

Hello,

Convection currents in the mantle drive plate tectonics. Convection is the reason for ocean currents. Ocean currents result from two processes - the action of wind on the surface of the water, and from variation in water temperature that causes movement.

Both the mantle and ocean experience the heat transfer due to bulk movement of molecules within fluids such as gases and liquids, including molten rock; this is called, again, convection.

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Answer from: mrgutierrez1

Convection currents in magma drive plate tectonics. Heat generated from the radioactive decay of elements deep in the interior of the Earth makes magma in the asthenosphere. The asthenosphere is part of the mantle, the plates are giant rafts that slowly move. Their movement is driven by convection currents in the mantle. The mantle is much hotter than the crust and its rock is molten.

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Answer from: Quest

hey, i believe your answer would be d. sugar ribose and the base uracil. i believe this is the answer, because rna consists of sugar ribose, adenine, guanine, cytosine, and uracil.

your first option is incorrect, because that's dna. where it consists of sugar deoxyribose, adenine, guanine, cytosine and thymine.

your second option is also incorrect, this is because sugar deoxyribose is in dna, and uracil is in rna. these two do not make sense together.

your third option being incorrect, because sugar ribose is in rna, but not the base of thymine. rna consists of uracil, not thymine.

lastly your fourth option being correct! this answer is correct, because both sugar ribose, and the base uracil are in rna! ~

answer is d. sugar ribose and the base uracil.

Answer from: Quest

the supermassive black hole is in the middle of the galaxy.

You have learned about supermassive black holes in this lesson. select the area on the image of the

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How are convection currents in the mantle (geosphere) and in the oceans (hydrosphere) similar ? how...