1. Name 2 different things that magnets have in common with charged particles.

2. Name 2 different things that show how magnets are totally different than charged particles.

3. Why do you think that there is a field of study in science called electromagnetism

Hydrogen and helium are both members of?

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).

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages