While there are a number of ice shelves in antarctica, three stand out as being the largest. they are

a. ellsworth
b. bentley
c. filchner-ronne
d. larsen
e. erebus
f. ross

Drought resistance because they are close to a lot of supplys 

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.