No, It can't be chemical because it has something to do with being mechanical, an example of a chemical change would be some thing like metal rusting or wood turning to ash after being burned.
Answer is: false.
<span>According to the principle of base pairing hydrogen bonds could form between adenine and thymine (two hydrogen bonds between this nucleobases) and guanine and cytosine (three hydrogen bonds between this nucleobases).
Adenine and guanine are </span>purine derivatives and thymine and cytosine are pyrimidine<span> derivates.</span>
1. friction that’s all i know lol
In 1911, Rutherford performed experiment to determine the structure on atom
