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bekas [8.4K]
3 years ago
12

The Earth's crust is composed of roughly how many minerals? 1,000 3,000 150

Geography
2 answers:
AURORKA [14]3 years ago
6 0
Idjnshzhsjdndjdhdjhdjdjdjfjfjf
dusya [7]3 years ago
4 0

Answer:

3,000

can i have a brainly plz

Explanation:

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3) When the temperature of a blackbody increases from 900 K to 2300 K, by what factor does the total power of the electromagneti
LekaFEV [45]

Answer:

The electromagnetic radiation per-unit- area increase by 42.65 times.

Explanation:

The radiation per-unit- area (P) is directly proportional to the fourth power of the temperature. Thus,

P ∝ T⁴

For, when the temperature is raised from T₀ to T₁ , the radiation per-unit- area is related to as:

\frac {P_1}{P_0}=\frac {T_1^4}{T_0^4}

T₀ =  900 K

T₁ = 2300 K

\frac {P_1}{P_0}=\frac {2300^4}{900^4}

So,

<u>P₁ = 42.65 P₀</u>

<u>The electromagnetic radiation per-unit- area increase by 42.65 times.</u>

6 0
3 years ago
What are two impacts of climate change on the world?
Nataly_w [17]

Answer:

Habitat destruction and rise in temperatures.

Explanation:

  • The impacts of the global warming is associated with the large scale rise on the global climatic around the world that is led by the man-made imbalances and the exploitation of natural resources on a continues basis and thereby the ecological system are getting unbalanced and hence the destruction of the habitats of the flora and fauna all around the world.
8 0
3 years ago
Occasionally earthquakes occur as a result of collisions along oceanic-continental convergent boundaries. Where do these earthqu
Valentin [98]

Answer:

 on land but close to oceans

Explanation:

A boundary between an oceanic plate and a continental plate will be near a coastline., not "far from the coast" or "in the middle of oceans."

Often, mountains are also near that boundary, but mountains may also exist elsewhere, so "anywhere there are mountains" is not an apt description.

The best choice is "on land but close to oceans."

_____

<em>Additional comment</em>

The 2011 Tohoku earthquake near Japan was offshore by 67 km. It came from the subduction zone where the Pacific plate dives beneath the Eurasian plate. It is an example of a plate boundary quake that occurred offshore, rather than on land.

7 0
3 years ago
Read 2 more answers
How does the potato crop failure in Ireland demonstrate the relationship between humans and the environment?
diamong [38]
Due to the crop failure, many people died of starvation during this time. 
6 0
3 years ago
Which of the following are true about slums?
hoa [83]

Answer:

All of them, except for D

Explanation: hope it helps;)

3 0
3 years ago
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