Question

how have chemists affected our world for good?
a. chemists have given us the atomic theory and the scientific method.
b. chemists have improved our quality of life.
c. chemists have learned how dangerous chemicals can be.
d. chemists have caused many problems that our present society must face.

Explanation:

Chemists have developed new materials, drugs, and processes that have enhanced various aspects of daily - life, such as health, food, and technology. Option A is more about scientific concepts rather than the overall good impact on the world. Option C is about the negative aspect of chemicals and not the good impact. Option D focuses on problems caused, not the good contributions.

Answer:

B. Chemists have improved our quality of life.