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zlopas [31]
3 years ago
12

Which diagram best illustrates what happens when electromagnetic waves strike a reflective material? A horizontal red curved lin

e passes across a vertical black line labeled surface turning up as it crosses the black line. A horizontal red curved line passes across a vertical black line labeled surface turning down as it crosses the surface.
Biology
1 answer:
aivan3 [116]3 years ago
6 0

Answer:

A horizontal red curved line passes across a vertical black line labeled surface turning up as it crossed the black line.

Explanation:

When electromagnetic wave strike a reflective material and it's transparent to it's frequency, the wave will be largely transmitted. The line passes across the vertical black line which cause a reflection on the surface and it crossed the surface.

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Softa [21]

<em><u>Answer:</u></em>

<em><u>Answer:the smallest packet of light energy is Proton</u></em>

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3 years ago
What is cotransport? Explain how understanding it is used in our treatment of diarrhea.​
qaws [65]

Answer:

In cotransport, a single ATP-powered pump that transports a specific solute drives the active transport of several other  solutes. Normally, sodium in waste is reabsorbed in the colon, maintaining constant levels in the body, but diarrhea  expels waste so rapidly that re-absorption is not possible, and sodium levels fall precipitously. To treat this life threatening condition, patients are given a solution to drink containing high concentrations of salt and glucose. The  solutes are taken up by sodium-glucose cotransporters on the surface of intestinal cells and passed through the cells into  the blood. This simple treatment has lowered infant mortality worldwide.

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3 years ago
Identical population-splitting events occurred simultaneously on two neighboring islands, Islands B and C, which are each initia
sweet-ann [11.9K]

Answer:

This is due to the event of Speciation that happened for the rodents in Island B but not for the rodents in Island C.

Explanation:

  • Due to splitting of the population,
  • The sub-population of rodents formed in Island B are B1 and B2.
  • The sub-population of rodents formed in Island C are C1 and C2.
  • In case of Island B, each of the B1 and B2 sub-populations that got split from each other developed certain mutations that were necessary for them to adapt to the particular diverse environment each of them were exposed to, through the period of 50,000 years. These mutations were so varied that reproductive isolation was generated between them that resulted in each of them to develop into different species.Hence, speciation happens here and B1 and B2 are incapable of inter-breeding.
  • In case of Island C, each of the C1 and C2 sub-populations that got split might have got exposed to similar environmental change or no environmental change or the environmental change might have been too small to cause drastic change in each of the sub-populations. As a result of this the two sub-populations might have acquired certain mutations to adapt to the environment each of them were exposed to, through a period of 100,000 years. These mutations might not have been too variable or contrasting to cause reproductive isolation between C1 and C2. Hence, no new speciation happens here and C1 and C2 are capable of inter-breeding.

4 0
2 years ago
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Mila [183]

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Antibiotics are added to the animal feed or drinking water of cattle, hogs, poultry and other food-producing animals to help them gain weight faster or use less food to gain weight.

Because all uses of antimicrobial drugs, animals contribute to the development of antimicrobial resistance, it is important to use these drugs only when medically necessary.

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