In what region does a “yes” response have an ambiguous meaning

The new dictionary which is the dictionary of Macmillan has more than one meaning of certain words. Thus it has an ambiguous meaning which is more than one meaning of the word yes also.

It is also known as the Open dictionary and people might have different views and opinions of the various meanings of a particular word. The publisher of this dictionary is based in London.

the answer is option b.

explanation:

eutrophication happens when abundance supplements are available in oceanic biological systems, bringing about the expanded generation of vegetation and the resulting diminish in the oxygen levels of the water   eutrophication happens when there are abundance supplements in a waterway. this outcomes in plants having more sustenance and reproducing  more, here and there prompting more amphibian creature life also. eventually, this can decrease the oxygen level in the biological community.