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ICE Princess25 [194]
3 years ago
12

Individuals within populations exhibit some diversity. As a result of possessing slightly different traits, some individuals are

better able to survive and reproduce than others. If these individuals changes in the characteristics of the population may occur over time. The cumulative change in these characteristics is known as
Chemistry
2 answers:
Gre4nikov [31]3 years ago
7 0
<h2>Answer:</h2>

The cumulative change in these characteristics is known as genetic diversity.

<h3>Explanation:</h3>
  • Genetic diversity in the population means the increase in the number of genetic/allelic combinations in the population.
  • For example, a population of contains 5 genes for the fur color. With the passage of time, these 5 genes will produce 25 genetic combinations of this phenotype. This will be known as the genetic recombination.
  • Genetic diversity is due to mutations, random breeding, and random gene flow.
  • Genetic diversity is the cause of some animals of the species to adapt to changing environment.
sladkih [1.3K]3 years ago
5 0

natural selection and evolution

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How many particles are there in 5.0 moles​
grigory [225]

Answer:

3.01 × 10^24 particles

Explanation:

According to Avagadro, in one mole of a substance, there are 6.02 × 10^23 atoms or particles.

Using the formula: N = n × NA

Where;

N= number of particles or atoms

n = number of moles

NA = Avagadro's constant or number

This means that for 5 moles of a substance, there will be:

5 × 6.02 × 10^23

= 30.1 × 10^23

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3 years ago
Explain the difference between mechanical weathering and chemical weathering​
Alchen [17]

Answer:

mechanical weathering breaks rocks into smaller forms without any change in their composition whereas chemical weathering breaks down rocks by forming new minerals .

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3 years ago
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PH CHEM, PLEASE HELP QUICK! NO LINKS/VIRUSES PLEASE!
Contact [7]

Answer:

The pH of the solution is 11.48.

Explanation:

The reaction between NaOH and HCl is:

NaOH  +  HCl  →  H₂O  +  NaCl

From the reaction of 3.60x10⁻³ moles of NaOH and 5.95x10⁻⁴ moles of HCl we have that all the HCl will react and some of NaOH will be leftover:

n_{NaOH}} = n_{i_{NaOH}} - n_{HCl} = 3.60 \cdot 10^{-3} moles - 5.95 \cdot 10^{-4} moles = 3.01 \cdot 10^{-3} moles

Now, we need to find the concentration of the OH⁻ ions.

[OH^{-}] = \frac{n_{NaOH}}{V}

Where V is the volume of the solution = 1.00 L                

[OH^{-}] = \frac{n_{NaOH}}{V} = \frac{3.01 \cdot 10^{-3} moles}{1.00 L} = 3.01 \cdot 10^{-3} mol/L

Finally, we can calculate the pH of the solution as follows:

pOH = -log([OH^{-}]) = -log(3.01 \cdot 10^{-3}) = 2.52

pH + pOH = 14

pH = 14 - pOH = 14 - 2.52 = 11.48

Therefore, the pH of the solution is 11.48.

I hope it helps you!

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3 years ago
A package of chips weighs 45 grams. How much is that in kilograms?
Slav-nsk [51]

Answer:

1000g=1kg

45g=?

45/1000

0.045kilograms

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How much does Promethium cost per gram?
frosja888 [35]
0.52 . hope that helps

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