The main difference between the internal combustion engine and the diesel engine is that the diesel engine a. has no ignition system. b. doesn't utilize pistons. c. has no connecting rods. d. doesn't have a crankshaft.

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis