Hello! Thanks for posting this on brainly. Based on the passage i say A. Is the answer. Tell me if im correct please.
Physical change only change the appearances of a substance, not it’s chemical composition. Chemical changes cause an entirely new substance with new chemical formula.
The most appropriate unit for describing a 26 mile marathon run would be C. Kilometre. As kilometres can be easily utilized and converted to miles and vice-versa.
<span>A unique feature of dna is that it can duplicate itself through a process called replication.</span>
