Which of the following is/are correct ?

A. Various components of eco system are independent

B. Substances that cannot be broken down by biological processes are called biodegradable like plastics

C. Disposable cups and plates are biodegradable substances

D. It is better to use paper bags than polythene bags

Choose the correct answer from the options given below :

A, C and D only

The correct answer is option (1) : A, C and D only