Which part of the atom carries a positive charge and determines the atomic number? Electron
Neutron
Nucleus
Proton

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

What is used to keep track of the gamates and possible offsprings combination