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 @omravi @yura81 @lawlees @povoq

Congrats! See You in Next Round

♥ Enjoy Lazy Sunday ♥