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Delvig [45]
3 years ago
11

Read about Africa's two greatest environmental concerns: desertification and the spread of disease. Choose one of these concerns

and write a short paragraph about its impact on Africa. What has caused this problem to occur, and how has it impacted people who live there?
Geography
1 answer:
Advocard [28]3 years ago
3 0

Answer:

Explanation:

Lack of water, and food, being in the vast desert means hard food and little rain this leads to many organisms struggling to live, also being forced to drink dirtier water means you could catch a disease more easily

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This passage is mainly about
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Answer:

This passage is mainly about asteroids striking Earth.

Explanation:

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3 0
3 years ago
Anne releases a stone from a height of 2 meters. She measures the kinetic energy of the stone at 9.8 joules at the exact point i
nlexa [21]

Eₖ = √1/2 mv²

Eₖ/v² = 1/2 m

2Eₖ/v² = m

mgh = 1/2 mv²

gh = 1/2 v²

2gh = v²

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= 6.324 ms⁻¹

m = 9.8/(6424)²

= 9.8/39.993

= 0.245 g

I am not sure if it's correct.

i transposed for m in the first equation then to find the velocity I combined the potential and kinetic energy equation. there was no mass because velocity doesn't depend on the mass

Then I used earth's gravitational field strength (g) 10 N/kg and the 2 m was the height provided in the question

you can try working and see if you get the same

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Answer:

Question 9: C. No map projections can accurately show the sizes of places.

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Question 12: D. strait

Hope this helps!   :)

Explanation:

4 0
3 years ago
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