1. B --> mussels, oysters, clams, shrimp, carp and catfish is a list (series) of foods that has to be separated by a comma
2. B--> if you remove 'confine them to a pond or cage' its a normal sentence, so i think its b
Wood is biodegradable.
certain plastics are biodegratable
i dont know
Explanation:
i havent seen it
this needs to be 20 characters longg
