Answer:
Because natural selection selects for it. Thus it persists.
Explanation:
You have to understand heterozygote advantage. Basically, it's where heterozygotes have an advantage over homozygotes. In the case of sickle cell disease, heterozygotes have an advantage, and natural selection favors whatever is advantageous. Thus, because heterozygotes each have one recessive sickle-cell allele, as natural selection favors the heterozygotes, the recessive sickle-cell allele persists and remains in the gene pool.
It is called coevolution, when two species influence each other's speciation.
Grounding and insulation will be the two most recognized means of preventing injury during an electrical equipment operation. The workers should always place a non-conductive material like plastic around the conductor of electricity. When grounding, there needs to be a direct connection to either a cold water pipe or even metal. Without doing either grounding or insulation, there is a chance of burns, shocks, fire, and in extreme cases death.
Answer:
Peace Negotiations
After Yorktown, the Continental Congress appointed a small group of statesmen to travel to Europe and negotiate a peace treaty with the British: John Adams, Benjamin Franklin, John Jay, Thomas Jefferson and Henry Laurens.
Asian-style gardens includes vibrant colors and also have balance between elements of nature. It is an example of Mediterranean design, i.e., option C.
<h3>What is Mediterranean design?</h3>
The Mediterranean style is featured by simple and romantic features of Southern European countries.
It includes light and warm shades in color scheme, and use of natural materials such as ceramics, wood, wrought iron and cotton.
Asian-style gardens are the examples of this design.
Thus, the correct option is C.
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