Marble is formed from limestone and contains tiny interlocking grains.
Your answer is C.
Vacuoles store water, food, and waste. The endoplasmic reticulum (ER) is a series of tunnels throughout the cytoplasm. They transport proteins from one part of the cell to another. Ribosomes are the protein factories of the cell.
<h3>Hope it helps uh...</h3>
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.
Its produced by a cumulonimbus cloud. three stages are <span>the cumulus </span>stage<span>, mature </span>stage<span>, and dissipating </span><span>stage</span>
