The answer to the 4th Science Challenge is B.
Today's question is a bit similar)
How To Play?
1. UPVOTE this post
2. Just write a comment with either A B C or D (in this one E as well) with no other words as the result is done through automation.
3. The prize is 0.5 SBD to 4 lucky winners
Winners are 
Congrats! See You in Next Round
♥ Enjoy Lazy Sunday ♥
