PLSSS HELP Mr. and Mrs. Smith go to the doctor to see if there is a possibility that any future children they have will be born with a genetic disease. This is an example of the use of which of the following?

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Regarding most of the narrator’s story, which word best describes the tone?