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A sceptical fellow student suggested that the number of bubbles was dropping off as the lamp got further away because the pondweed was dying. ii) suggest a likely cause for the reduction in number of
A sceptical fellow student suggested that the number of bubbles was dropping off as the lamp got further away because the pondweed was dying.
ii) suggest a likely cause for the reduction in number of bubbles, in addition to those already mentioned in (d) and (f)