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Yuri [45]
2 years ago
12

Which organelle controls the passage of materials into and out of a cell?

Biology
1 answer:
Sidana [21]2 years ago
5 0
Cell membraine i hope that help
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Why are sinkholes one major environmental risk of underground mining? (1 point)
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Sinkholes one major environmental risk of underground mining because, Underground mines may collapse after mining is complete, which causes sinkholes.

<u>Explanation:</u>

The movement that occurs on the surface of the ground is known as mine subsidence. This is mainly caused due to the collapse that happens in the cola or any clay mining works that occurs in the underground surface. When anything is extracted form the underground surface, some holes are made in the underground surface which are sinkholes.

The damages that are caused as a result of this can be claimed by  Mine Subsidence Insurance Policy. This type of underground mining is very dangerous as it give rise to the formation of sinkholes. This is forms when there is collapsing of the surfaces in the underground occurs after the completion of the mining work.

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Answer:

chlorophyll or pigments

Explanation:

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Archaeopteryx fossils show that the animal had feathers like a bird. It also had a bony tail, teeth, and claws on its wings like
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The right answer for the question that is being asked and shown above is that: "b. Archaeopteryx fossils share traits with both birds and reptiles." 
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Trisha is learning how to do a first-aid procedure known as CPR. She is practicing using a mannequin, or a model of the top half
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it is not possible to check for a real pulse on a CPR mannequin

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Based on the information provided within the question it can be said although extremely helpful, one limitation that CPR mannequins have is that it is not possible to check for a real pulse on a CPR mannequin. Being able to check the pulse of the victim is extremely important as it allows you to see how serious the victim's condition is and take appropriate measures.

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