To avoid risks associated with tornadoes, lightning, and hurricanes, in the united states you should steer clear of

a. florida.
b. minnesota.
c. pennsylvania.
d. nevada.

Just do the math, then think

100% tortilla. it is the only possible answer

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.