An atomic scientist was studying an atom and through experimentation found that the total negative charge of the area surrounding the nucleus is -9. which statement correctly describes this atom?

After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction

The mini-refrigerator fire was most likely caused by what type of wiring?

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.