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Amiraneli [1.4K]
2 years ago
13

When water dissolves a substance, weak charges on water molecules attract oppositely charged portions of the substance, pulling

them out into the solution. Which property of water accounts for this occurrence
A) cohesion

B) pH

C) polarity

D) surface tension
Biology
1 answer:
guapka [62]2 years ago
4 0

Answer:

C) polarity

Explanation:

The polar nature of water molecules allows it to dissolve like molecules, such molecules are also polar.

  • In water molecules hydrogen bonds provides a special dipole - dipole attraction.
  • Here, the hydrogen atom is directly joined to a highly electronegative atom(oxygen, nitrogen or fluorine).
  • This leads to a charge separation in which the hydrogen atom has net positive charge and the electronegative one has negative charge.
  • This makes the molecule of water polar.
  • By this property water easily attracts oppositely charged portions of another substance and then pull them into solution.

This property of water is polarity of water.

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Match each component of biodiversity to the example of how it contributes to ecosystem stability.
professor190 [17]

Answer:  

Genetic diversity: Some individuals in a population of wild rabbits are resistant to a new disease.

Ecosystem diversity: If the population of wild rabbits decreases, a bobcat can switch its diet to squirrels or woodchucks.  

Species diversity:  Populations of wild rabbits from a forest and from a neighboring meadow can interbreed, which increases variation.  

Biodiversity of an ecosystem is usually explored by three diversities which are responsible for ecosystem stability they are : genetic diversity, ecosystem diversity and species diversity.

Genetic diversity is the variety of genes within a population of species. Each species consists of individuals bearing different genetic composition. Some individuals in a population of wild rabbits are resistant to a new disease because they exhibit genetic diversity within the population as a consequence some individuals exhibit genes which protect them against new disease.

Species diversity is the variety of species within an ecosystem. Populations of wild rabbits from a forest and from a neighboring meadow can interbreed, which increases variation is an example of species diversity. The wild rabbits from a forest and a neighboring meadow are two species living in an ecosystem stating the diversity of species in an ecosystem.

Ecosystem diversity is the variety of ecosystems in a given region.If the population of wild rabbits decreases, a bobcat can switch its diet to squirrels or woodchucks is an example of ecosystem diversity because in an ecosystem there is interaction of organisms as predator prey relationship. This example is also relating with predator prey relationships in an ecosystem.


8 0
2 years ago
Read 2 more answers
Mr. Burns, a retired neighbor of Roger's, is angry at Roger for playing loud music. Roger, who is 9 years old, notices that it i
KiRa [710]
<span>The answer would be: C)Play loud music at precisely 2:30 in the afternoon for two weeks.

All other option is involving an action at 10.30 AM </span>which the only times  'The Magic Donkey' is aired on the television. If Roger wants to prove the hypothesis, he should do the experiment when <span> 'The Magic Donkey' is aired, not before or after it.</span>
7 0
2 years ago
Yanni made a chart to compare the strong and weak forces. Which best describes Yanni’s error? Only the weak force is active in t
cluponka [151]

Answer: Option (d) is the correct answer.

Explanation:

Nucleus of an atom consists of protons and neutrons. Protons are positively charged and neutrons have no charge. So, due to the like charges of protons there occurs electrostatic force of repulsion inside the nucleus of the atom.

But due to similar number of neutrons and protons a force that is able to bind both of them together is known as strong nuclear binding energy.

This force is strong enough that it is able to overcome electrostatic force of repulsion. But when there is great difference in the number of protons and neutrons then binding force is not strong enough.

Hence, the atom becomes unstable and undergoes radioactive decay. So, this means weak forces are responsible for radioactive decay.

Thus, we can conclude that the statement which best describes Yanni’s error is that the strong force is responsible for radioactive decay.

8 0
2 years ago
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Why is it necessary to "starve" the donor cells prior to reproductive cloning? to force the enucleated egg cell into g0 stage so
kiruha [24]
<span>To force the cells into G0 stage so that the nuclei removed from them will respond to the cytoplasmic growth signals. </span>
5 0
2 years ago
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All of the cacti is removed from a desert ecosystem, what would happen to the population of cactus dwelling birds and in turn th
pishuonlain [190]

The population of cactus dwelling birds will decrease and that of the animal they eat will increase.

Explanation:

When cacti is removed from the desert ecosystem, the birds that have their nest on the cacti will no longer have a home so they will migrate to other areas with favorable ecosystem.This will reduce the number of birds in this ecosystem.In turn, the animals that were feed by the birds will have the chance to multiply in numbers because a predator has been removed in the ecosystem.

Learn More

  • Ecosystem : brainly.com/question/2865934

Keywords : Ecosystem, population

#LearnwithBrainly

6 0
2 years ago
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