FREE SBD / Science Challenge #4 ENDED
The answer to the third Science Challenge is A. And here is why:

Today's question is: Can you solve this?

Now its getting more interesting (with 6 options)
How To Play?
1. UPVOTE this post
2. Just write a comment with either A B C or D (in this one E or F as well) with no other words as the result is done through automation. (16.(6)% chance of guessing correctly)
3. The prize is 0.75 SBD to 3 lucky winners
Winners are @alexwik / @chetan9 / @atiqur NEXT ROUND IS HERE

great this idea, I love your post
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You got a 30.07% upvote from @mitsuko courtesy of @alxmuh!
You got a 27.27% upvote from @bearwards courtesy of @alxmuh!
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Hola al igual que me encanta las matemáticas te invito a seguirme @polalxmuh