Answer:
a) How have people and the environment been affected by the discovery?
Step-by-step explanation:
It is important to see how science benefits humans and the environment. Nuclear reactions have solved the problem of electricity shortage in developing countries. Using renewable sources of energy such as wind power, solar energy and hydroelectricity is beneficial for both humans and the environment. Also toxic effluents from industrial waste are chemically treated to render them harmless for humans and the aquatic life.