What happens a few days after fertilization? a. the eyes develop. b. the blastocyst forms. c. the baby can be felt moving. d. cells have started differentiating.

Wht happens as electrons in the electron transport chain release their energy

Why does miranda have that particular vision of dr hildesheim answer?

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?