A vessel sailing through the specific special areas may discharge or dispose of _____.A.in

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A vessel sailing through the specific special areas may discharge or dispose of _____.

A.incinerated ash at anytime

B.fairly dense material that will sink, i.emetal cans or glass bottles at anytime

C.victual waste when at least 12 nautical miles from shore

D.absolutely no garbage at anytime

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗