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Mars2501 [29]
3 years ago
14

How does mantle convection cause seafloor spreading?

Biology
1 answer:
Julli [10]3 years ago
8 0

Answer:

Mantle convection is the slow, churning motion of Earth's mantle. ... As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense.

Explanation:

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Read the following sentence from the section "The
Setler79 [48]

Answer:

The particles that cause the aurora are energized in the magnetosphere, that is, above the atmosphere. If they don't reach 10,000 volts, they will still cause auroral light. The lower energy won't change the wave length of the light, but will cause the light to be dimmer.

Explanation:

4 0
3 years ago
One of the reasons bacteria can be so deadly is because they multiply very quickly. E. coli has a doubling time of around 15 min
Travka [436]

Answer:

The correct answer is - 25600 bacteria.

Explanation:

Bacteria can divide and produce double their population very quickly. As mentioned in the question bacteria multiply every 15 minutes to their double number. Finding the number of bacteria after 2 hours is simple mathematics. Two hours means 120 minutes and dividing it to 15. The result will be 8 which mean the bacteria double their colony 8 time so,

100×2 to the power 8 = 100 (initial number of bacteria)×2×2×2×2×2×2×2×2= 25600

Thus, the correct answer is option- 25600 bacteria.

6 0
3 years ago
How does heat affect enzymes?
liraira [26]
Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working. pH: Each enzyme has an optimum pH range. ... Extreme pH values can cause enzymes to denature.
4 0
3 years ago
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Which factor does NOT affect the size of a population?
Harman [31]

Answer:

Answer D

Explanation:

Unlike the gain or loss of member through immigration, emigration, or death, the age of a population's members does not effect population size, meaning the correct answer is D.

6 0
3 years ago
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4. Which is an example of mechanical weathering?
belka [17]
I would say A or C I’m not sure but if I had to choose A or C my best guess would be A


I hope this helps :)
7 0
3 years ago
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