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In-s [12.5K]
2 years ago
15

According to Hess’s theory, what might happen if the magma under a mid-ocean ridge cools?

Biology
2 answers:
Anna [14]2 years ago
7 0

Answer: The plates on either side of the ridge might stop moving.

Explanation:

Anika [276]2 years ago
3 0

Answer:

The plates on either side of the ridge might stop moving.

Explanation:

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4 0
3 years ago
In diffusion and osmosis what happens to the concentration of water inside each cell
avanturin [10]

diffusion is the movement of molecules or stuff through the cell membrane

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water move from high contration to lower concentration

the there is salt outside of the cells the water will move out of the cell membrane and if there is salt inside the cells the water will move into the cell

6 0
3 years ago
Why is it important to stain youngcultures of bacteria with<br> the grain stain?
uranmaximum [27]

Answer:

Because older cultures of gram-positive bacteria tend to lose their ability to retain crystal-violet in the peptidoglycan of their cell walls and can be confused with gram-negative bacteria.

Explanation:

Gram staining is used to differentiate between two major groups of bacteria. Gram-positive and gram-negative, these bacteria differ in the amount of peptidoglycan in their cell walls. Gram-positive bacteria have a higher amount of peptidoglycan, which absorbs the violet crystal complex used in gram staining, staining them purple/violet. Old cultures of gram-positive bacteria tend to lose the ability to retain the violet crystal and are stained by safranine, staining them red/pink and appear to be gram-negative.

8 0
3 years ago
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LiRa [457]
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