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Anarel [89]
1 year ago
11

2. The volume of water in the pot decreases during this investigation. Water droplets form on

Biology
1 answer:
goldfiish [28.3K]1 year ago
5 0

We can confirm that throughout this experiment, the water vaporized, then condensed into a liquid once again.

<h3>Why did the water vaporize and then condense?</h3>

As the water was heated by the electric heater, its internal temperature increased. Once this temperature reached the boiling point of water, the water vaporized or evaporated into a gas. This gas then reached the mirror, where it collected and cooled down, condensing back into a liquid in the form of water droplets.

Therefore, we can confirm that throughout this experiment, the water vaporized, then condensed into a liquid once again.

To learn more about water condensation visit:

brainly.com/question/15563071?referrer=searchResults

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How can we bring back lost nutrient   in   the soil without direct application   of   fertilizer?​
bazaltina [42]

Answer:

Explanation:

Crop rotation

Rotation of crop is important to help conserve nutrients that are available in the soil and prevent total use up of the nutrients. The same type of plants all year round on the same soil keeps on draining the land of the same nutrients needed for their growth. Rotation of different can help maintain soil nutrients level as some crop fixes nutrients in the soil.

Natural mulching

The use of cover cops as mulch helps protect the soil and allows for retention of nutrients. When cover crops are harvested the leaves can be turned back into soil to release nutrients that are stored up in the plant part.

Composting is the process of decomposing organic matter this could include animal waste such as dung,leaves both green and dead, kitchen. This waste are stored up, little water is added to moist and then allow to decompose it can be mixed together after few days to aerate after. After decomposing to form compost it can be added to the soil. It is usually rich in nutrients.

4 0
3 years ago
Which statement correctly compares the number of chromosomes in a body cell to that in a sex cell of humans?
Elza [17]

Answer:

D

Explanation:

Two sex cells, the gamete and the sperm, come together to make the body cells, so the number of chromosomes for a body cell must be double that of a sex cell, 46/2=23

i hope this helps u!

pls give a brainliest and a thx ;)

3 0
3 years ago
According to the results, what is the pH of the
bearhunter [10]

Answer:

about 7 which is neutral

7 0
2 years ago
The key function of classical conditioning is to allow an organism to
nikdorinn [45]
The key function of classical conditioning is to allow an organism to <span>learn new species-typical behaviors.
Classical conditioning refers to when two or more different stimuli are joined in order for an organism to learn something it didn't know before. The more you repeat the conditioning, the faster the organism will learn. For example, Pavlov experimented with dogs - each time they were presented with food, they would also hear a bell. So each time dogs heard the bell, they knew that they would be getting food soon.
</span>
4 0
3 years ago
Which accurately describes gymnosperms? Check all that apply. Some of them lose their leaves in winter.Some of them lack seeds.S
AleksandrR [38]
I think that correct answers are:
<span>Some of them lose their leaves in winter. (i.e. <span><em>Larix</em></span>)</span>
<span>They include the tallest plants (i.e<em>.Sequoia)

</em>I don't think they are the oldest type of seed plants, since in the past the classes like progymnosperms and seed ferns existed prior to the gymnosperms. But question isn't absolutely clear to me and I can't be 100% sure.
All of the gymnosperms have seeds unless human grows some seedless variant.
Gymnosperms don't have flowers like angiosperms do, but some people think that cone is kind of flower.
Male cones produce pollen, not female.
Hope I helped :)
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7 0
3 years ago
Read 2 more answers
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