3) Common -properly fishing grounds am A) always efficiently exploited hecme- fishermen now understand the dangers of over-fishing. Hi often overexploited because fishing grounds are rivalrous and excludable. () often underexploited because non-excludability means there is little investment In the resource. Dj often overexploited because individual fishermen do not consider the reduced availability of fish fur aulaquard finchemmen Doalien overexploited because fishermen are concerned with preserving fish stocks for future fishermen