Please hurry its urgent Thank you Where are neutrons found in what type of charge do they have

A) in the nucleus; positive
B) outside the nucleus; neutral
C) in the nucleus; neutral

Which statements explains what the fossil records indicates? check all that apply. a) earth is 4.5 billion years old b) many organisms have become extinct c) mammals have always existed on earth d) mass extinctions have occurred several times on earth e) the amount of water on earth has decreased over time?