The primary causes of species extinction are........destruction, commercial exploitation and pollution.
A. reserve
B. generation
C. habitat
D. diversity
Đáp án C
As soon as I........my report, I'll call you and we'll go to dinner.
The 22nd SEA Games consisted of athletes from eleven.....countries.
Laura is telling Bob about her exam results.
~Laura: "..............."
~Bob: "That's great. Congratulations!"
Polluted water and increased water temperatures have driven many species to the verge of extinction.
It can be inferred from paragraph 1 that in the 19th century,..........
Humans depend on species diversity to have food, clean air and water and fertile soil.......agriculture.