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Leni [432]
3 years ago
14

what causes the Aurora Borealis? movement or charged particles in the outer core? Circulation of Van Allen belts around the plan

et?
Biology
1 answer:
Nonamiya [84]3 years ago
7 0

charged particles in the outer core

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Go to the "List of Endangered and Threatened Species."
shusha [124]

Answer:

Explanation:

The animal I have chosen is a  Bengal tiger. The Bengal tiger has been on the endangered list for 100 years. The status is  ''due to habitat loss caused by deforestation, and hunting by human poachers, the Bengal tiger is considered to be an endangered species.'' its is important to save the bengal tiger from exciction because So when a species goes extinct, it leaves behind a scar, which affects the entire ecosystem. Another reason why we need to save the tiger is that our forests are water catchment areas. ... The tiger is a unique animal which plays a pivotal role in the health and diversity of an ecosystem.

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Its either B or D. That's about all i can do. sorry       
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3 years ago
Chlorine in the stratosphere is believed to come primarily from cfcs rather than from natural sources such as volcanoes because:
Andreyy89

 he answer is because <span>samples of air taken over erupting volcanoes shows that volcanoes contribute a small amount of chlorine in the stratosphere compared to CFCs. Volcanic eruptions account for a large instability of chlorine from land to the atmosphere on a yearly basis. This is in addition to chlorine that enters the atmosphere from sea spray, industrial processes and biological gases which are from CFCs. All of these inputs happen near or at the base of the atmosphere. Very little of the material emitted from volcanoes makes it up into the upper reaches of our atmosphere which is the stratosphere where it could touch the ozone layer. However, most of it is believed to be deposited lower down which is in the troposphere, where it then rained out back to the surface of the earth.</span>

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