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Art [367]
3 years ago
13

All the living and nonliving things in a selected area form a (an)?​

Biology
2 answers:
lora16 [44]3 years ago
8 0
The answer is a community
antoniya [11.8K]3 years ago
5 0

Answer:

All the living things together in an ecosystem form a community.

Explanation:

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A(n) is the term used for any infectious agent that causes disease, such as parasites, bacteria, and viruses.
Trava [24]

Answer:

Pathogen

Explanation:

  • Pathogen is the term used for any infectious agent.
  • It causes disease.
  • It also spreads disease.
  • Example: Prions, viroid, bacteria, viruses.

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Hope this helped!

<h3>~AH1807</h3>

5 0
2 years ago
A certain element has a half-life of 1,000 years. How much of a sample of this element remains after 2,000 years?
quester [9]

Answer:

A quarter of the sample.

Explanation:

Let the quantity at the beginning be T. If the element has a half-life of 1,000 years, it means that after 1000 years, T/2 (which represents half the initial quantity available) would have decayed, remaining T/2.

After another 1000 years (making 2000 years), T/4 (which represents have of the quantity left after the first 1000 years) would have decayed, remaining T/4.

This means that only a quarter of T would be left after 2000 years.

5 0
3 years ago
True or False. Anything that has molecules doesn’t have heat. Explain your answer.
slega [8]

Answer:

False

Explanation:

3 0
2 years ago
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Which of the following does NOT preserve biodiversity?
Brums [2.3K]
I believe it’s A (captive breeding)
5 0
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At what pH values is pepsin likely to be denatured?
san4es73 [151]
Above a pH of 7, pepsin becomes irreversibly denatured. Pepsin was the first enzyme to ever be discovered, and it was discovered by <span>Theodor Schwann.</span>
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3 years ago
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