Answer:
its si
Explanation:
Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic table: carbon is above it; and germanium, tin, and lead are below it.
The correct answer would be B.(2nd one)
There are seven major classes of nutrients:
carbohydrates, fats, fiber, minerals, protein, vitamins, and water.
Answer:
Enzymes serve as catalysts to many biological processes, and so they are not used up in reactions and they may be recovered and reused. However, in a laboratory setting, reactions involving enzymes can leave the enzyme unrecoverable. This process makes the enzyme at once less reactive but more stable.
<span>-A nucleus of an atom can be compared to the sun of a solar system because the nucleus, like the sun, is the largest part of an atom and its electrons orbit around it, much like planets in a solar system.<span> Atoms can also gain or lose electrons similarly to how stars can gain or lose planets.
</span></span><span>-How about a fence around a yard? It does the same thing as a plasma membrane, it keeps the things that are supposed to stay in the yard, in the yard. And, it keeps the things that are outside the yard from getting into the yard. Every once in a while it lets a few select things either go in or out.
</span>
<span>-how about the jelly in a doughnut its the same idea it is the fluid in a cell that fills in everything its like blood in the human body.
</span>
-<span>A analogy for ribosomes is a restaurant. It provides the citizens with protein just ribosomes which provide nutrients for the cell.
-</span><span>Rough E.R. is like a water slide because it gets you from the top down to the botom of the slide.
Sorry dude, thats all i have time to answer, hope someone else can help you!</span>
Answer:
Even a slight reproductive advantage will eventually lead to the elimination of the less well adapted of two competing species.