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3 years ago

5. There is a solid wooden table with a cup of water sitting on it. Which of the following statements

Biology

1 answer:

White raven [17]3 years ago

8 0

Answer: Option D.

The atoms and molecules of the liquid water are moving, and the atoms and molecules of the

table are not moving.

Explanation:

The atoms and molecules of the liquid water are moving, and the atoms and molecules of the table are not moving and this is because the atoms and molecules of liquid water are closely packed together and they collide to each other often, thereby moving in random motion in all directions.

The molecules of solid cannot move because they are closely packed together and there is a very strong of attraction which make them to only vibrate and not move and this make solid to have definite shape.

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Microscopic plants called algae grow inside the top layer of sea ice in the Antarctic if enough sunlight reaches that layer of i

MrRa [10]

Answer:

The correct answer is: (A).

Explanation:

In the question, it is mentioned that the algae can grow under the conditions of "enough sunlight" and "enough nutrients".
Sunlight reaches the algae, by first falling on the surface made up of ice and snow and then refracting from there into the top layer of the ice where the algae grows.
However, the capability of both snow and ice to reflect sunlight is far more than that of refracting sunlight.
Therefore, the amount of light received by the algae is similar in absence or presence of the layer of snow on the top layer of ice.
However, on deposition of snow on the layer of the ice, the weight of the ice increases and it sinks below into sea water.
This allows more nutrient rich sea water to percolate into the ice and reach the algae.
The algae receive more nutrients from the sea water and hence is capable undergoing better metabolism and growth.
Hence, more algae are produced under such a situation.

5 0

3 years ago

How is reproduction similar between humans and flatworms

Mila [183]

<span>Reproduction (or procreation) is the biological process by which new "offspring" individual organisms are produced from their "parents". Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction. The known methods of reproduction are broadly grouped into two main types: sexual and asexual. In asexual reproduction, an individual can reproduce without involvement with another individual of that species. The division of a bacterial cell into two daughter cells is an example of asexual reproduction. Asexual reproduction is not, however, limited to single-celled organisms. Most plants have the ability to reproduce asexually and the ant species Mycocepurus smithii is thought to reproduce entirely by asexual means. Sexual reproduction typically requires the involvement of two individuals or gametes, one each from opposite type of sex. The propagation of organisms can also occur through cloning. Hope this HELPS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :</span>

5 0

3 years ago

Read 2 more answers

Why do you get hungry?

suter [353]

Answer:You may feel hungry frequently if your diet lacks protein, fiber, or fat, all of which promote fullness and reduce appetite. Extreme hunger is also a sign of inadequate sleep and chronic stress. Additionally, certain medications and illnesses are known to cause frequent hunger.

Explanation:

"Hunger hormones" (ghrelin) in your blood and an empty stomach signal the brain when you're hungry. Nerves in the stomach send signals to the brain that you're full, but these signals can take up to 20 minutes to communicate -- and by that time, you may have already eaten too much.

8 0

2 years ago

Which of the following BEST describes an

RUDIKE [14]

Answer:

i would go with A nut i might be wrong

sorry if i am

Explanation:

3 0

3 years ago

Read 2 more answers

Why do Bacillus subtilis cultures often demonstrate more growth than Escherichia coli on plates that were exposed to equal amoun

Kaylis [27]

Answer:

C) B. subtilis can produce endospores which are resistant to the effects of UV.

Explanation:

Bacillus subtiles -

Bacillius subtiles bacteria is a gram - positive , found in soil and in humans in the gastrointestinal tract .

It is in rod shape , with tough and protective endospore , so it can tolerate the extreme temperature and environmental conditions .

B. Subtiles can produce endospore when cultivated , and these are resistant to the UV light .

and the E . Coli can also produce endospore when cultivated , but these are not resistant to the UV light .

6 0

2 years ago