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GalinKa [24]
3 years ago
8

How does natural selection affect populations?

Biology
1 answer:
k0ka [10]3 years ago
5 0

Answer:

Over time, these advantageous traits become more common in the population. Through this process of natural selection, favorable traits are transmitted through generations. Natural selection can lead to speciation, where one species gives rise to a new and distinctly different species.

Explanation:

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Now we need to prepare a buffer that has a pH of 7.4. We need this specific pH to
Anestetic [448]

Answer:

b) By mixing weak base with its conjugate acid and then adjusting the pH with strong  acid.

Explanation:

Hello,

In this case, considering that the buffer required a pH greater than 7 where the basic conditions are present, we need a weak base and its conjugate base in order to assure such pH greater than 7. Moreover, by using a strong acid, we can gently add it in order to decrease the pH up to 7.4 via a properly measured neutralization of the necessary moles of base up to a hydrogen concentration of 3.98x10⁻⁸ (pH). Therefore, answer is b) By mixing weak base with its conjugate acid and then adjusting the pH with strong  acid.

Best regards.

8 0
3 years ago
16. Which type of sediments would be most common where a river meets an ocean?
creativ13 [48]

Answer:

Sand, Silt and Clay

Explanation:

The sand is most coarse so it deposits easier and more often than the clay being finest, but there would still be clay just less of it than sand

5 0
2 years ago
Which classes are included in the group Tetraapoda
lakkis [162]

Amphibia,

Reptilia, Aves, and Mammalia are included in the group Tetrapoda. The

correct answer between all the choices given is the second choice. I am hoping

that this answer has satisfied your query and it will be able to help you in

your endeavor, and if you would like, feel free to ask another question.

HOPE THIS HELPED!!! XD

4 0
3 years ago
How does a plant absorb water for photosynthesis?
kondor19780726 [428]

C)through the roots..........

3 0
3 years ago
Read 2 more answers
How many chromosomes are in a zygote
Lera25 [3.4K]
<span>There are 46 chromosomes in a human zygote.

</span><span>Source(s):
Google. I also know this, just to make sure you know my answer is right!

</span><em>When the gametes join they form a cell called a zygote. Human sperm and eggs contain 23 chromosomes</em><span><em>. Human zygotes contain </em></span><em>46 chromosomes</em><span><em>. The type of cell division that produces gametes with half the normal chromosome number is called meiosis.</em></span>
4 0
3 years ago
Read 2 more answers
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