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bekas [8.4K]
2 years ago
15

Which property of water allows some lightweight insects to walk on top of a pond and not fall in

Biology
2 answers:
sergejj [24]2 years ago
8 0

Surface tension is the property of water which allows for some lightweight insects to walk on top of a pond and not fall in. The molecules of water are held together by cohesive forces. The molecules of water present below the surface experience this cohesive force from all the directions, whereas the water molecules present on the surface experience a downward pull, as the force is not balanced. This leads to the concaving of the water surface inside a small tube.

Semenov [28]2 years ago
5 0
<h2>Answer:</h2>

Light weight insects can walk on water due to the <em>surface tension</em> of water.

Explanation:

  • <u>Surface tension is the tension in the surface layer of liquid, caused due to the attractive forces on surface molecules by surrounding molecules.</u>
  • The molecules in side the liquid try to attract surface molecules toward the water center.
  • Due to which surface molecules don't interact with with other forces less than cohesive forces.
  • That is why surface tension allow light weight insects to walk on water without sinking.

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Answer:

Diffusion is the process of small molecules moving from a high concentrated area to a lower concentrated area. For example, in a crowded train station, when a train arrives, people move from the high concentrated area, which is the platform, and move onto the lower concentrated area, which is the trian.

Explanation:

The process of diffusion does not cost any energy, as it happens naturally, and would cost energy to go against it, like trying to go from the train into the platform costs more energy than just going with the crowd into the train. And only small molecules can do this without using energy. Large molecules, like starch, can't do this without using energy.(ATP) hopefully, this helped you, and it would mean a lot to me if you could give me brainliest!

3 0
3 years ago
Write the conditions of implementing the green house strategies
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Answer:

Explanation:

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Many commercial glass greenhouses or hothouses are high tech production facilities for vegetables, flowers or fruits. The glass greenhouses are filled with equipment including screening installations, heating, cooling, lighting, and may be controlled by a computer to optimize conditions for plant growth. Different techniques are then used to evaluate optimality degrees and comfort ratio of greenhouses, such as air temperature, relative humidity and vapour-pressure deficit, in order to reduce production risk prior to cultivation of a specific crop.

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