A body is negatively charged when 1) It has lost neutrons
2) It has gained extra electrons
3) It has lost electrons
4) It has gained protons

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

What makes a dominant allele different from a recessive allele