question_answer 8)

Tick the correct answer: (i) Which is not a natural ecosystem?        (a) Desert  (b) Aquarium     (c) Forest. (ii) Which is not a component of human environment? (a) Land    (b) Religion      (c) Community. (iii) Which is a human made environment? (a) Mountain   (b) Sea           (c) Road. (iv) Which is a threat to environment? (a) Growing plant (b) Growing population (c) Growing crops.  

Answer:

(i) b. Aquarium (ii) a. Land (iii) c. Road (iv) b. Growing population.