A) Earth Summit, Rio de Janeiro
C) Montreal Protocol
D) Conference of Parties (COP) 19
A) Earth Summit, Rio de Janeiro
C) Montreal Protocol
D) Conference of Parties (COP) 19
A) To make the desert bloom
C) To do a difficult work
D) To make the desert fertile
A) Are responsible for phototropism and gravitropism
B) Are gases at room temperature
C) Are produced only by fungi