They might improve it because you eat it everyday. If you eat it everyday, it should be healthy and nutritious. They aren't going to want to make bad food that kids eat everyday, end up putting in something not good or healthy, then getting sued. They are going to make the best quality food.
~Silver
I think the correct answer from the choices listed above is option D. Human height is determined by several genes located on different chromosomes which is an example of a polygenic trait. These traits are being controlled by more than one gene. Hope this answers the question.
You can eat starch, but you can't digest cellulose
The difference between an artery and a vein is that arteries are larger, more muscular and more elastic than veins; they carry blood that is under pressure from having been pumped out of the heart; veins are under much less pressure, so they are not as strong