<span>A virus is made up of a core of genetic material, either DNA or RNA, surrounded by a protective coat called a capsid which is made up of protein. Sometimes the capsid is surrounded by an additional spikey coat called the envelope. Viruses are capable of latching onto host cells and getting inside them.</span>
Dunas are dinamic formations created by wind material deposits. They have a particular shape defined by windward and leeward sides. The correct option is B. windward and leeward.
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What is a dune?</h3>
Dunes are wind deposits, formations that are typical of deserts.
Dunes are orientated according to the direction and speed of winds and the presence of loose material and vegetation. Strong winds transport sand until it collides with an object or obstacle, where it is deposited, creating a new dune.
Dunes are very dynamic formations that are constantly, being remodeled by the direction and strength of the winds. They always have a soft slope (windward side) and a sharp one (leeward side).
- The windward side faces the direction where the wind is coming from and is the product of the wind erosion on the same dune.
- The opposite leeward side is protected from the wind and is the deposition place, where the wind losses strength and the carrying material falls, depositing on this side of the dune.
The correct option is B. windward and leeward.
You can learn more about dunas at
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The chemicals would mix within the atmosphere and combine with water forming acid rain, your answer is D
Answer:
Explanation:
The centromere is also known as the microtubule organizing center. The spindle fibers provide a framework and means of attachment that keep chromosomes organized, aligned and assorted during the entire process of mitosis, lessening the occurrence of aneuploidy, or daughter cells with incomplete sets of chromosomes.