The warlords of china the samurai of japan and the knights of western in europe were similiar because they all all were individual during periods of

A,f, g are the points

Answeraquifer;

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.