Critical mass is the ___ of material required to produce a chain reaction.

A.) minimum amount

B.) atomic mass

C.) precise amount

D.) maximum amount

The hot gas lines need to be insulated? A never B always C if they are exposed to cold temperatures that could cause the refrigerant to condense in the line D for systems using hfc refrigerants

When a rock is altered by extreme heat and pressure, what type of rock is the result? A. Sedimentary B. Igneous C. Metamorphic D. Clastic

Which statmeant is true of the medium of an earthquake p wave

If samples of silver and lead each had volumes to 1 cm^3 which sample would have the greater mass and what would the difference in the mass be

You are hungry and decide to go to your favorite neighborhood fast-food restaurant. You leave your apartment and take the elevator 10 flights down (each flight is 3.0 m) and then go 15 m south to the apartment exit. You then proceed 0.

If the mass of an object is 84g and the volume is 12cm3 what is the density

Describe one example of competiton of tropical dry forest

What is the center of a tornado called A. the eye B. The center C. The middle road D. The vortex

Is it legal in Florida for a math teacher forces the kids to do push ups?

Acceleration is best defined as the rate of change of blank of an object