Which of the following is true about subatomic particles? The mass of a neutron is equal to the mass of a proton

Neutrons have no charge and are the lightest subatomic particle

Electrons are negatively charged and are the heaviest subatomic particle

Protons are positively charged and the lightest subatomic particle

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.