A/an front is a type of collision in which cold, dense air replaces warm air and forces the warm air up along a steep slope

a. occluded
b. cold
c. warm
d. stationary

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

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.

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.