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Nikitich [7]
3 years ago
6

Frozen water (ice) has less density than liquid water.

Biology
1 answer:
WARRIOR [948]3 years ago
3 0
The ice has less density than liquid water, so it floats on the water surface. Therefore during the winter all the lakes and rivers are frozen only at a top. Deeper layers of water are cold, but still liquid and it allows fish and other organisms to survive. Moreover, the ice cover provides temperature isolation so liquid water beneath the ice has more or less constant temperature (around 4 dgr Celsius)
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We support each of the following correct statements with appropriate justification, indicating why or how each statement is correct.

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3 0
1 year ago
The eukaryotic cell has multiple membrane-enclosed compartments. This evolutionary innovation provides what advantage to the cel
Ahat [919]

Explanation:

One of the main differences between prokaryotes and wukaryotes is that the last ones have a nucleus and organelles with their own membranes. <em>This carachteristic allow them to organize into multicellular organisms isolating different processes (enzymes, reactants) making them easier to manage and more efficient due to the smaller volume that increase the rate of reactions.</em>

I hope you find this information useful and interesting! Good luck!

3 0
3 years ago
Does a drop of water spend the same amount of time in each process in the water cycle?
german

Answer:

A drop of water may spend over 3,000 years in the ocean before evaporating into the air, while a drop of water spends an average of just nine days in the atmosphere before falling back to Earth.

Explanation: hope this helps

3 0
2 years ago
Please I would like some help. Will give brainliest for correct answer.
zheka24 [161]

Answer

D

Explanation

The conservation of mass principle says that whatever you do to a chemical, the mass of the reactants must equal the mass of the products.

There is a loss somewhere that has not been accounted for.The ribbon and oxygen add up to 6.95 which means that the reactants (oxygen and Magnesium ribbon) added up to more than the mass of the product.

The product was only 6.53 grams. Why that  is so is another matter and how they measured the oxygen is still yet something else.

A is wrong. The mass of Mg was measured, it was not calculated.

B is wrong.  The experiment really depends on moles not raw mass (which is measured and then converted to mass.)

C is wrong. They are not equal. The products are a little less than the mass of the reactants added together. They do not differ by much, but they do differ.

6 0
3 years ago
Why do you think hydroelectric plants are built at the base of dams
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I think it is used to produce energy mainly hydroelectricity which is electricity from water
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