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Slav-nsk [51]
3 years ago
10

Question 12

Biology
2 answers:
Citrus2011 [14]3 years ago
5 0

Answer:

Increasing the surface area of a solid has no effect on the speed of dissolving. Hence, the correct answer is option B.

Explanation:

The increasing of surface area has no effect on the speed of dissolving at as it is irrelevant with the dissolving speed with the solvent. The dissolving effect air speed can be altered with the temperature and with the volume but is increasing of surface area has no relevance on the dissolving speed.

If the temperature is raised above the room temperature it helps in dissolving speed and dissolving quantity. The increase of surface area can we done by various ways such as expanding through mechanical method, etc.  

RoseWind [281]3 years ago
4 0
Increase the speed of dissolving

Explanation:
When they solid and liquids react, it will speed up the dissolving.
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Which is not a cost for organisms that sexually reproduce?
Alekssandra [29.7K]

Answer:

Identical shape and structure.

Explanation:

Those organisms that reproduce sexually have high variations and differences between the parent and its offspring. They are not identical to each other because the offspring gains half characteristics from male parent and half from the female parent making it different from its parent. Identical feature is present in the organisms that reproduce through asexually means from only one parent so the identical shape and structure is not the cost of sexual reproduction.

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Several factors influence the rate of diffusion and among these factors are temperature, ____________ , electrical currents, and
katrin2010 [14]

Answer: States of matter; increases

Several factors influence the rate of diffusion and among these factors are temperature, STATES OF MATTER, electrical currents, and molecular size. For example, as temperature INCREASES, the rate of diffusion increases.

Explanation:

Factors influencing the rate of diffusion include:

- Temperature: High temperature increases the speed at which molecules move. Thus, as temperature increases, the rate of diffusion increases

- States of matter: Diffusion varies within the three states of matter. The diffusion of gases is much faster than that of liquids and solids, because the gas molecules are freer and therefore faster than the rest.

- Molecular size: The smaller the molecules, the faster the rate of diffusion while the larger the molecules, the slower the rate of diffusion.

Other factors include electrical currents.

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3 years ago
The junction where one neuron can transfer an impulse to another structure is called a(n)
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Synapse.

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Where did the oceans water come from? Is the amount of water increasing, decreasing, or staying the same?
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What are the potential benefits, if any, and the side effects of each of the following supplements: steriods, diuretics, creatin
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