Pollution is the addition of substances to the environment that may be harmful to living things.

The correct answer is:   [b]:   "has no atmosphere" .

Ibelieve it was because of the gas act in order to preserve fuel 

Answerencourage alternative timber sources,increase public awareness of the forests,increase research into forestry,involve local communities in forest projectsalso one of the main initiatives of the 1977 act was to introduce a new approach to forest management known as selective management system, this is recognised as one of the most sustainable approaches to tropical forestry management in the world