What is the structural level of a plant leaf?
A Organism
B Tissue
C Cell
D Organ

The internet says tissue, but I`m doubting that a bit. It`s still the best answer of the 4, sorry

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.