3. which of the following planets does not have any rock? (2 points)

Its Jupiter (Mars, and all the others are like earth when Jupiter is made out of gas

Ithink d would be correct

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.