a primary substance that cannot be divided into separate substances; one of about 112 different basic varieties of matter making up the universe

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

1. list three scientific reasons cockroaches may fly.