What is a compound? A. A substance that can be separated by physical means

B. A substance that is made using a chemical reaction

C. A substance that cannot be broken into simpler substances

D. A substance that is made from two different metals

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).

What is the major limitation to the light microscope?