Energy from the sun comes from fusion. what happens during that reaction? a. carbon dioxide turns into oxygen b. hydrogen turns into helium c. helium turns into hyrdrogen d. oxygen turns into carbon dioxide

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Nh3 +02-no + h20 is unbalanced what is the balanced equation

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.