Many nonscientist careers require a knowledge of science because workers must a.) develop new science laws and theories.
b.) use materials and processes that follow scientific principles.
c.) use the process of scientific injury.
d.) keep up with new developments in science.

the core of the sun is so hot and there is so much pressure, nuclear fusion takes place, hydrogen is changed to helium. nuclear fusion creates heat and photons. when the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.

lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.