If the bill is counterfeit and the paper is wood-based, the iodine in the pen solution will react with the starch and leave a dark brown or black mark.
I will go with A ....as radiation is out of question..... DNA sequence is same in all.......I don't think evolution is a mistake !
so A
I’m guessing false because the water cycle contains all water on earth I think
The only way for gases to diffuse in and out of the leaf is though small openings on the underside of the leaf, the stomata
