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soldi70 [24.7K]
3 years ago
7

How hydrogen bond related to water polarity?

Biology
1 answer:
Nikolay [14]3 years ago
3 0

Answer:

The two hydrogen atoms and one oxygen atom within water molecules (H2O) form polar covalent bonds. ... As a result of water's polarity, each water molecule attracts other water molecules because of the opposite charges between them, forming hydrogen bonds

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Cactus plants, which grow in deserts, have a thick waxy coating that helps prevent water loss. The plants' sharp
Vika [28.1K]

Answer:

C

Explanation:

Survival of the fittest shows that plants/animals with traits better suited for survival in their environments usually pass those traits to their offspring to help them survive.

6 0
3 years ago
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help?? im done with everything just Explain how losing one part of this food chain will unbalance the whole ecosystem.
Monica [59]

ANSWER.

Explanation:

when one of the links in the food chain is no longer present the food chain breaks.sometime this can cause other animals in the food chain to disapper as well and the whole ecosystem can beome in balance or even colapse

5 0
3 years ago
The lungs remain inflated because ___________.a. intrapleural pressure is exactly equal to atmospheric pressure b. intrapleural
kkurt [141]

Answer:

Option C,  Intrapleural pressure is less than intrapulmonary pressure

Explanation:

During inspiration, the air enters the lungs due to lower pressure in the intrapulmonary or intra-alveolar  than the atmospheric pressure. During quite respiration, the intrapulmonary pressure reduces to a pressure that is 3 mm Hg lower than that of atmospheric pressure. During quiet expiration, the intrapulmonary pressure rises up to a pressure that is 3 mm Hg higher than that of atmospheric pressure. This leads to lack of air in the intrapleural space thereby producing intrapleural pressure which is lesser than that of intrapulmonary pressure.  

This difference in pressure (i.e higher pressure with in the lungs than the atmosphere)  causes lungs to remain attached to the chest wall and hence looks inflated.  

Hence, option C is correct

8 0
3 years ago
Which of the following plant adaptations protects savanna plants from grazers?
bagirrra123 [75]
<span>Grazers are basically animals that eat plants from the ground so an adaptation to prolong their life would be bitter taste, meaning the answer is D. bitter taste. That is because if animals eat them they see that they are bitter and they don't like it and they don't want to eat them so plants in savannas keep existing this way.</span>
6 0
3 years ago
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Nhóm thức ăn nào sau đây giàu chất đạm?
dybincka [34]

Answer:

đù việt nam

Explanation:

thịt lợn trứng gà sữa cá

3 0
3 years ago
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