1) How does Urbanization disrupt the ecosystem? 2) What would happen if honey bees became extinct? 3) True or False: Coral reefs are renewable, so we don't have to worry so much about preserving them. 4) What would happen if all the marine algae suddenly dies? 5) How does air pollution disrupt the ecosystem? 6) True or False: One of the biggest holes in the Ozone over the Arctic has closed.

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?