<span> the answer is Fetal alcohol syndrome</span>
B wind has nothing to do with the sun
Make the worse disease die A: c. maleria
At the end of the winter they are most numerous in fresh water. they will cover surface of aquatic plants or poles and wooden borders of ponds. If you like to study them you can scrape the brown growth with a flat piece of plastic. you can also use a sponge. for the free living (plankton) species fine mesh plankton net is very useful.
