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KengaRu [80]
3 years ago
7

Which statement explains how commercial land use negatively impacts watersheds?

Chemistry
1 answer:
Yuliya22 [10]3 years ago
3 0

Answer:

  Chemicals in fertilizers run off into water and cause algae blooms

Explanation:

Of the answer choices, the ones that have to do with commercial land use are the ones discussing fertilizers. Some commercial land is dedicated to lawn, but commercial farms are a much larger portion of commercial land use. The appropriate choice is, "Chemicals in fertilizers run off into water and cause algae blooms."

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I need help please!Perform the following conversion. Make sure your answer has the correct number of significant digits.
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3 years ago
If water were a linear (not bent) molecule like co2, electrostatic interactions between water molecules would be much weaker. wh
Ksenya-84 [330]

Answer;

The partial negative charge on oxygen would stick out less and be less able to participate in hydrogen bonding.

Explanation;

Water is a polar molecule because the electrons are not shared equally, they're closer to the oxygen atom than the hydrogen.

-Normally, the water molecule is a bent shape because of the pair of lone electrons - they repulse each other and exert a compression to the hydrogen atoms at a slight 104º angle. It is a bent molecular geometry that results from tetrahedral electron pair geometry.

-The 2 lone electron pairs exerts a little extra repulsion on the two bonding hydrogen atoms to create a slight compression to a 104 degrees bond angle. Therefore, the water molecule is bent molecular geometry because the lone electron pairs.

Thus, If water were a linear molecule like co2, electrostatic interactions between water molecules would be much weaker, then the partial negative charge on oxygen would stick out less and be less able to participate in hydrogen bonding.

3 0
3 years ago
Which answer below correctly identifies the type of change and the explanation for the boiling of water?
Lynna [10]

physical change because even though gas formation was observed, the water was undergoing a  state change, which means that its original properties  are preserved

Explanation:

The boiling of water is a physical change because the original properties of the water is preserved.

  • A physical change is the one that alters the physical properties of matter.
  • This kind of change is easily reversible as the water can be cooled back.
  • No new kinds of matter is produced in this kind of change .
  • The molecules of the matter still retains their property after.

During the boiling of water, intermolecular bonds called hydrogen bonds between the water molecules are broken. This makes the individual molecules free.

Learn more:

Hydrogen bonds brainly.com/question/10602513

#learnwithBrainly

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3 years ago
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