There are no billion-year-old main-sequence o- or b-type stars. a. true b. false

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?