What's the nitrogen base found only in dna

Thymine

Explanation:

There are five nitrogenous bases that are found in nucleic acids; adenine (A), guanine (G), and cytosine (C) are in both DNA and RNA, while thymine (T) is almost exclusively found in only DNA, and uracil (U) is almost exclusively in RNA.

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.