Answer:

1. All kinds of substances can improve the quality of your life. For instance if you suffer depression, you may find taking an anti-depressant makes you feel better and improves your life.

2.Science is valued by society because the application of scientific knowledge helps to satisfy many basic human needs and improve living standards. Finding a cure for cancer and a clean form of energy are just two topical examples. ... Education could become the most important application of science in the next decades.