Modern scientists smile in bemusement at the faulty methodology and reasoning behind the medieval alchemists’ vain endeavors to base metals such as iron or copper into gold and silver.

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

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?