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chubhunter [2.5K]
3 years ago
12

How does a volcano erupt

Geography
1 answer:
Nastasia [14]3 years ago
7 0
When it's beneath the surface, the molten rock is called magma. When it reaches the surface, it erupts as lava, ash and volcanic rocks. With each eruption, rocks, lava and ash build up around the volcanic vent. The nature of the eruption depends on the viscosity of the magma.
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One of the greatest migrations in history occurred _____.
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The lamd bridge between asia and north america
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3 years ago
brooklyn and demetrius took a total of 115 photos at the science museum demetrius took 4 more photos than brooklinn how many did
koban [17]

Answer:

Demetrius took 61.5 ≈ 62 photos

Explanation:

total photos taken = 115

if both took an equal number of photos

then Brooklyn = 50% of 115

       Demetrius =  50% of 115

4 photos out of 115 will be = 4/115 * 100% = 0.0347 * 100 = 3.48 %

If Demetrius took 4 more photos then Demetrius will be taking = 50% + 3.48%

                                                                                                         = 53.48%              

If Brooklyn took 4 less photos then Brooklyn will be taking = 50% - 3.48%

                                                                                                  = 46.52%

therefore Demetrius took = 53.48 % of 115

                                           = 61.5 ≈ 62

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What river in part forms the southern border of the united states?
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When does energy transfer from the land to the air?
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Answer:

Conduction, radiation and convection

Explanation:

Since air is a poor conductor, most energy transfer by conduction occurs right near Earth's surface.

As the warmed air rises, cooler air moves in to take its place. This is called convection, the energy transfer through the movement of matter.

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What does environmental quality refer to? environmental quality refers to the quality of the total environment, including both t
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Environmental quality. ... Environmental quality includes the natural environment as well as the built environment, such as air, water purity or pollution, noise and the potential effects which such characteristics may have on physical and mental health.

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