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Natasha2012 [34]
2 years ago
12

What factors contributed to Mexico City's overall population "loss" from 1990 to 1992?

Geography
1 answer:
Lilit [14]2 years ago
7 0
Lower birth rates and freer markets have led to a sustained drop in Mexicans moving north to find work, developments that will reshape the immigration debate in the United States.
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The danger of (Northern Hemisphere) storm surge is most extreme __________ of a hurricane, due to the forward motion of the stor
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Answer:

The answer is on the front right side

Explanation:

The danger of (Northern Hemisphere) storm surge is most extreme ___on the front right side_______ of a hurricane, due to the forward motion of the storm motion and the direction of rotating winds.

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Which is a reason for the rise of nitrate levels in ground water? A) overuse of fertilizers Eliminate B) ammonification by anima
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Some of our best deep space-telescope images show some galaxies that are 100 times fainter than the faintest objects that can be
Ksenya-84 [330]

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True

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Deep space telescopes are fitted with the faint object cameras, that are way better than ground-based spectroscopically functioning telescopes. The Subaru telescope at Hawaii observed the faintest object ever from a ground-based telescope. But when compared to other deep-space telescopes like Hubble's deep space telescopes it's very small. They have reached up to a magnitude of 31 , which observes 20 times fainter objects .

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Which is not a natural ecosystem​
kkurt [141]

Answer:

here's is your answer buddy

Explanation:

it is called as an artificial ecosystem since it is man-made. ... It is evident that amongst a forest, a desert and an aquarium, the aquarium is not a natural ecosystem.

4 0
3 years ago
How is energy from the sun distributed around earth?
amm1812
There are a few different answers to this question, depending on what you are asking. I'll go over the main ones.

1. The Earth's axis is tilted in comparison to the Sun, so days get shorter in the winter months. This is due to less light, and therefore energy, hitting the Earth directly. Instead, that energy either misses entirely, or hits nearer to the Equator. This is why the poles have twenty-four hour days and nights depending on the season. (Night in the winter, day in the summer.)

2. In terms of the food chain, energy from the sun is converted to basic sugars by plants in a process known as photosynthesis, inside the plant's cloroplasts. Small animals such as mice and insects consume the plants, and the energy those plants converted from sunlight. This continues up the food chain until you get to apex-predators (tigers, bears, wolves, owls, etcetera).

3. In terms of electricity, solar panels are made of tons of 'solar cells' which tend to be lots of silicon atoms, which like to share electrons, and a conductive backing. (Pardon me if some of this section is incorrect, I only have a basic understanding of solar panels) When a photon (that is, a light particle) hits the silicon, it bumps off an electron, and the conductive backing catches it, resulting in a electrical current. This current is incredibly small per solar cell, so you need a ton of them to make any sort of useful power out of them. Solar panels do degrade over time, but incredibly slowly, there are some from the 1970's that still generate just as much power as they did originally (if not, only ever so slightly less).

I hope I answered what you needed to know! If you wanted a different answer, feel free to comment with some clarification and I would love to fill you in :)
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3 years ago
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