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Oksana_A [137]
2 years ago
5

What are 3 positive things human do that impact the environment ?

Biology
1 answer:
Naily [24]2 years ago
4 0

Answer:

Ways in which people positively affect ecosystems around the world include: Recycling. Establishing wildlife preserves and parks. Creating green, open space laws.

Explanation:

:D

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Explain what happens when mRNA leaves the nucleus of a eukaryotic cell.
Svetach [21]
Before it leaves the nucleus, the mRNA is spliced to create mature mRNA. This splicing involves that cutting out of introns, leaving only the exons - which are the segments which code for a protein. Before it leaves the nucleus, the mRNA is spliced once again to create mature mRNA.
3 0
3 years ago
Decomposers are also called? *<br> A. Herbivores<br> B. Carnivores<br> C. Consumers<br> D. Producers
Temka [501]

Answer:

The answer is C.

Explanation:

Decomposers feed on dead organisms like plants and animals.

7 0
2 years ago
Put the steps of the greenhouse effect in the correct order.
Arturiano [62]

Answer:

II, IV, I, III

Explanation:

At first the Solar radiation hits the earth~

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5 0
2 years ago
After doing PCR on the same region between two individuals, you notice that each person's DNA yielded pieces of different sizes.
vitfil [10]

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C. This is an example of VNTRs.

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VNTRs are Variable Number Tandem Repeats. These are short sequences of DNA repeated in tandem (that is, the sequences are repeated one next to the other) a certain number of times. Unrelated individuals have a different number of repetitions for a certain region of the DNA, therefore the total length of the fragment is variable among individuals, depending on how many times the short sequence is repeated.

3 0
3 years ago
Which material is primarily a mixture of weathered rock and organic matter
olga_2 [115]
Soil is a mixture of weathered rock and organic material.
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