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.

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.

Is a copper wire a conductor or insulator?