State any five negative effect of chemical industries​

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

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?

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?