Look at the map below that shows the location of the 2004 earthquake in Indonesia that caused a tsunami. Consider the six essential elements listed in the lesson. Describe three of the six essential elements as they relate to the image.

Pretty ssure the answer re her answer is b hope this : )

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.