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Shtirlitz [24]
3 years ago
8

How is it possible for white dwarfs to have a lower luminosity than the sun even though it is much cooler?

Biology
1 answer:
ratelena [41]3 years ago
4 0

Answer:

White dwarfs have an extremely small surface area to radiate this heat from, so they cool gradually, remaining hot for a long time.

Explanation:

As a white dwarf cools, its surface temperature decreases, the radiation which it emits reddens, and its luminosity decreases.

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6. Photosynthesis can combat global warming. Explain with reasons.​
Crank

Plants take carbon dioxide (CO2) out of the atmosphere to do photosynthesis, and thus help reduce the greenhouse gases warming the planet.

Explanation:

Plants, through photosynthesis, and soils sequester roughly a third of carbon dioxide emissions released into the atmosphere each decade from the burning of fossil fuels. During photosynthesis, plants open tiny pores on their leaf surfaces to suck carbon dioxide from the air and produce their own food.

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2 years ago
Where do sensory receptors in the stomach and small intestines send the signals necessary for the vomiting reflex?
trapecia [35]
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4 years ago
Imagine you have to convert a shrub into a tree what are the things you will change in it​
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Explanation:

I would change its existing soil. some trees and shrubs thrive if you replace existing soil with certain minerals and fertilizers where you plant the Bush..

in my case, we have clay soil poor 4 most plants., b4 planting outside, put fertilized soil in the hole your planting 1st, then existing soil..

5 0
3 years ago
Compare and contrast metamorphic, igneous, and sedimentary rocks
just olya [345]

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4 0
3 years ago
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