figured out why the Moon stays up in the sky. A) Isaac Newton
B)Galileo Galileo
C) Albert Einstein
D) Richard Feynman

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

What is the most important inorganic material for livings things? ! due tomorrow!

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?