B. (13)
the answer choice is asking a question so it needs a question mark.
Deoxyribonucleic acid (DNA) is a molecule that contains the biological instructions that make each species unique. DNA, along with the instructions it contains, is passed from adult organisms to their offspring during reproduction.
A time i encountered something difficult was when I couldn't leave my house as a result of Covid-19. In order to take care of myself, I went on walks in my area, and I kept a distance from everyone in order to be safe.
