PLEASE ANSWER FAST What happens when the crests of two waves overlap to form a larger wave? IS
diffraction interference
destructive interference
constructive interference

The body is protected against harmful flu viruses by

An easy way to calculate the amount of energy available at each level is to what?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.