Free points first of the day lolz

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.

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.