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2 years ago

Which of the following is NOT a natural resource?

Biology

2 answers:

coldgirl [10]2 years ago

8 0

It’s oli like frfr hope this helps

Marizza181 [45]2 years ago

4 0

Answer:

fire is your answer i hope this helps

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Which contributes to Earth's ability to sustain life?

xeze [42]

Answer:

Explanation:

This is because the atmosphere is refreshable and makes breathing so conducive.

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2 years ago

What is the cytoskeleton of a cell? What does it do?

ohaa [14]

Its made up of microtubules, microfilaments and intermediate filaments. They give the cell shape and organize its parts

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2 years ago

Proteus vulgaris has a doubling time of roughly 28 minutes. If an initial population of 500 cells is allowed to grow for 6 hours

romanna [79]

Answer: The final population of Proteus vulgaris after 6 hours is $3.71\times 10^{6}cells$

Explanation:

We are given:

Proteus vulgaris divides and doubles every 28 minutes

Total time given = 6 hours = 360 min (Conversion factor: 1 hr = 60 min)

Number of times Proteus vulgaris doubles in 6 hours = $\frac{360min}{28min}=12.857times$

Calculating the number of bacteria after 6 hours under ideal conditions:

We are given:

Initial population = 500 cells

Number of times it doubles = 12.857 times

Final Proteus vulgaris population = $500\times 2^{12.857}=3709476.8=3.71\times 10^{6}cells$

Hence, the final population of Proteus vulgaris after 6 hours is $3.71\times 10^{6}cells$

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2 years ago

Scientific theories are?

tekilochka [14]

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3 years ago

Describe the pros and cons of genetic engineering to modify food and in-vitro fertilization

pshichka [43]

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2 years ago