Who was the man who lived from 460b. c.–370b. c. and was among the first to suggest the idea of atoms?
a. atomos
c. democritus
b. dalton
d. thomson select the best answer from the choices provided a b c d

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs

What are atoms of the same element with varying number of neutrons