[TOP 70] Earth Day Quiz
[TOP 70] Earth Day Quiz: we are going to cover earth day quiz questions with answers. 1. When was the first Earth Day celebrated? a) 1970 b) 1980 c) 1990 d) 2000 Answer: a) 1970 2. What is the largest greenhouse gas emitted by human activities? a) Carbon dioxide (CO2) b) Methane (CH4) c) Nitrous … Read more