What are the hazards of alien species invasion?
A: Causes sterility of other plants
B: Causes economic losses
C: Causes ecological disasters
D: Causes social unrest
A: Causes sterility of other plants
B: Causes economic losses
C: Causes ecological disasters
D: Causes social unrest
举一反三
- Claims may be filed when ______ breaks the contract and causes losses to the other party in business.
- Watch the video clip "The Five Causes of Disease", answer what are these five causes?
- What are the causes of deforestation?
- What are the real causes of the Black Death?
- What causes nervousness is a chemical called ( )