What gas is released when potassium permanganate is decomposed

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

What is the momentum of a 2 kg object moving at 15 meters per second

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.