Why is chemical industry very important for the society?
A. It change our quality of life to be more comfortable.
B. It contribute to the national economy.
C. It creates more job.
D. All are true.
Why is chemical industry very important for the society?
A. It change our quality of life to be more comfortable.
B. It contribute to the national economy.
C. It creates more job.
D. All are true.