Which best explains why norwegians call their offshore waters the blue meadow? a. the ocean is always flat and calm. b. the ocean is a source of food. c. they plant crops on floating ships. d. they use the ocean water for their crops.

The answer to your question is B.

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.