Answer:
physical change
Explanation:
it changes the form of the substance
Heyy!
Your answer is A because Genes are functional unit of DNA, usually a segment of DNA in chromosome.
to sum it up Your answer Is A
Hope this helps!!
The paring rule is that A pairs with T and C pairs with G. If the strand yoy are workimg with is aggctta then the new strand will be tccgaat.
In the 1900s most immigrants came from western europe