Mrs. rushing has 3 chemistry classes with 24 students in each. an experiment calls for each student to use 4 test tubes. how many test tubes are needed in all for her classes?

a.) 32 test tubes
b.) 96 test tubes
c.) 288 test tubes
d.) 384 test tubes

What is the standard unit of measure for acceleration?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Sugar is dissolved in water. which is the solute? sugar neither both water