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dimaraw [331]
3 years ago
11

Explain how volcanic activity, run-off and dissolved gases affect the chemical composition of seawater

Biology
1 answer:
Angelina_Jolie [31]3 years ago
3 0

Answer:

Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases, so it would affect the water negatively.

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seraphim [82]

                            <u>r</u>                <u>r</u>

<u>R</u>                       Rr                Rr

<u>r</u>                       rr                  rr

Genotype of the mother with freckle trait is rr. This means that it is a recessive  trait.

Genotype of of the father having clear facial skin is Rr, showing that it is a dominant trait. There can be two genotypes for this trait that is Rr and RR.

When these parents are crossed, they produce 50% offsprings with the freckles trait (rr) and 50% with clear facial skin ( Rr).

Therefore, the likelihood of the first child with freckles is A

Hope this helped , Danielle xo

5 0
3 years ago
Hand-passing sharps is a safe practice. Is this statement true or false? A. True B. False
Delicious77 [7]

Answer is False.

No, hand-passing sharps is not a safe practice at all. Rather we should use instruments to grasp sharp objects like- needles and scalpels.

6 0
3 years ago
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Why is the metric system important?
Alex73 [517]
It's important because it helps you measure things. The prefixes are telling you the distance or meters, etc.
8 0
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Diet for an adolescent has to be a __________________ one.
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Answer:

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7 0
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The skin mainly protects the body against infection by what
Ivanshal [37]
It is like a barrier, or wall. It helps infection and bacteria stay out. It can also help you indicate whether you are getting infection in the inside of your body. if you're skin is inflamed, that is a sign of disease or infection.

I hope this helped you!

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