Cadmium has eight naturally occurring isotopes. What do the isotopes have in common? A.
atomic mass
B.
mass number
C.
number of protons
D.
number of neutrons

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.

What is the major limitation to the light microscope?

Why does lightning travel from clouds to the ground?