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romanna [79]
3 years ago
10

• What happens to the pH of the battery acid?

Biology
1 answer:
slavikrds [6]3 years ago
8 0
The acid gets rottten and the pH BALANCE and it gose under a cheamcal change
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According to the principle of _______, a change in one species in a community results in a change in another.
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The correct answer for above statement is:

<h3>A. coevolution</h3><h3>Explanation:</h3>

Coevolution is the method by which two or extra kinds emerge in tandem by exercising selection forces on each other. Coevolution happens when two or more species reciprocally influence each other's development.

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3 years ago
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A molecule with the formula C18H36O2, would probably exhibit which of the following characteristics?
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The answer would be A—the molecular formula given is that of a long-chain, saturated fatty acid, which would be insoluble in water (i.e., hydrophobic).

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B describes carbohydrates, which can function as a storage of energy (e.g., starch or glycogen) or structural components (e.g., cellulose). The three examples just given are polymers of glucose, a monosaccharide; monosaccharide generally have the empirical formula CH2O; this is not the empirical formula of the given molecule (and, in any case, there are too few oxygen atoms for the number of carbon atoms), and so B is incorrect.

C describes an amino acid, likely an α-amino acid, which consist of a central, saturated carbon bonded to amino (—NH2) and carboxyl (—C(=O)OH) functional groups and a variable side chain, which determines the amino acid’s properties. Since the formula of an amino acid must contain nitrogen, which the formula given doesn’t have, the molecule couldn’t be an amino acid, and so C is incorrect.

D describes nucleic acids. Examples include DNA and RNA; nucleic acids and the nucleotide monomers that comprise them contain a nitrogenous base and a phosphate group. The given molecule’s formula has neither nitrogen nor phosphorus, and so cannot represent an amino acid, making D incorrect.
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2 years ago
A plant growing in an area where it is not required is called?
lora16 [44]

Answer:

weed(s)

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it’s a plant that is out of place, undesirable, or an annoyance because it interferes with agricultural or animal production.

hope this helped!

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How long ago do scientists believe the continents formed Pangaea?
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300 million years ago

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B plants Explanation I hope it’s right :)
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