World Earth Day is on _______.
举一反三
- World Earth Day originated in ________.
- Who is the founder of World Earth Day?
- 3. Both of the earth Day and the World Environment Day are original from (time).
- 3. Both of the earth Day and the World Environment Day are original from (1980s / 1970s).
- Who is the founder of World Earth Day? A: Gaylord Nelson B: Alexander Hamilton C: John Marshall D: Michael Jackson