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Fantom [35]
3 years ago
11

What effect have human activities had on the ozone layer?

Biology
2 answers:
yulyashka [42]3 years ago
4 0
People have been putting harsh chemicals into the air so much that the ozone layer had a hole in it in the 1980’s due to mostly hairspray. The more chemicals are in products we use on a daily basis the more the ozone layer will get a whole again
IgorLugansk [536]3 years ago
3 0

Answer:

Human activities cause the emission of halogen source gases that contain chlorine and bromine atoms. These emissions into the atmosphere ultimately lead to stratospheric ozone depletion.

Explanation:

Hope this helped!

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4 things you did or used that would not be possible without water​
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How might a scientist display data on the territories of different groups of chimpanzees? What would this be an example of?
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The data on the territories of three groups of chimpanzees can be displayed using a heat map overlayed over the geographical map. The heat map would show the population sizes, and the boundary of the heat map would define the territories of the chimpanzees. This helps one in quick interpretation and analysis of the data. This method of visualising the data is called data visualisation.  

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3 years ago
Without elephants, some of the grasslands in Africa would eventually become thickets or forests because elephants weed out trees
rewona [7]

Answer:

Without elephants, some of the grasslands in Africa would eventually become thickets or forests because elephants weed out trees and shrubs. Even though elephants make up a small percentage of the animals living on the grassland, the grassland would eventually cease to exist without them. In this community, elephants are <u>keystone species</u>.

Elephants are often called “keystone species” because of their unique role in providing vital services to an ecosystem in relation to their abundance.

Explanation:

Elephants play a very important role in maintaining the biodiversity of the ecosystems in which they live. During the dry season, elephants use their tusks to dig for water. This not only allows the elephants to survive in dry environments and when droughts strike, but also provides water for other animals that share harsh habitats.

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