Read the following statements. In response, state ‘True’, ‘False’ or ‘Uncertain’ and explain why:

(a) Since resources have substitutes, ‘nature imposes particular scarcities, not an inescapable general scarcity’.

(b) Improved social and economic status for women is the key to controlling population growth.

(c) Countries with a raising EKC are, by definition, underdeveloped.