Which one of the following rating scale measure both direction and the intensity of the research attributes? Graphic rating scale.
Itemized rating scale.
Staple rating scale.
Fixed or constant sun rating scale.

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.

Answertill;

The answer to this is a