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Serga [27]
3 years ago
5

What are the four factors that affect the natural selection?

Chemistry
1 answer:
BaLLatris [955]3 years ago
6 0

Answer:

• potential for a species to increase in number

• the heritable genetic variation/ which results from mutation in dna

• the size of a population increases

• competiton for resources that are limited in that specific environment.

Explanation:

these are all factors that would affect natural selection although there are many more.

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What important thing to understand about fitness?
Oksana_A [137]

Answer:

There are many benefits to being fit.

Explanation:

Fitness isn't just about the physical part but also the mental wellbeing. For example the physical involves exercising, not just to lose weight or look more beautiful (remember everyone has unique looks) but to live longer, reduce the rick of diseases such as heart diseases and to enhance our bodies. Whereas the mental has to do with the brain, how you train the brain e.g logic puzzles, riddles and so on.

3 0
3 years ago
A student obtains a mixture of the chlorides of two unknown metals, X and Z. The percent by mass of X and the percent by mass of
Aleksandr-060686 [28]

<u>Answer:</u> The additional information that is helpful in calculating the mole percent of XCl(s) and ZCl(s) is the molar masses of Z and X

<u>Explanation:</u>

To calculate the mole percent of a substance, we use the equation:

\text{Mole percent of a substance}=\frac{\text{Moles of a substance}}{\text{Total moles}}\times 100

Mass percent means that the mass of a substance is present in 100 grams of mixture

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

We require the molar masses of Z and X to calculate the mole percent of Z and X respectively

Hence, the additional information that is helpful in calculating the mole percent of XCl(s) and ZCl(s) is the molar masses of Z and X

8 0
3 years ago
PLEASE HELP ASAP<br> Why is burning biomass better than burning oil or coal?
spin [16.1K]
Because biomass is renewable ig
7 0
3 years ago
If I have 2 mol NaOH in 3 L of solution, what is the molarity of my solution?
qwelly [4]

Answer:

0.67 mole/litre

Explanation:

the molarity equall no. of moles ÷ volume of sol.

3 0
3 years ago
1.What are the products in this equation? NaCl + AgNO3 --&gt; NaNO3 + AgC
Natalka [10]

Answer:

Explanation:

NaCl + AgNO3 → NaNO3 + AgCl

5 atoms

no

5 0
3 years ago
Read 2 more answers
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