Which of the following events makes it challenging for the Hardy-Weinberg equilibrium to be reached?
A. random mating
B. Gene flow
C. Genetic Drift
D. nonrandom mating

B. Gene flow

C. Genetic Drift

D. nonrandom mating

Explanation:

This is for a multiple choice question!! & i just took the test! hope this helps :)

uh two lol

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.