Question

An atom is the most __________ unit of living and nonliving things. (Help I will mark brainliest if ya help, and the first one to help)
A) basic

B) complex

C) interesting

D) sizeable

Answer 1

The correct answer to your question is

Basic. it is the is the basic unit of non living things.

Hope this helps!

Answer 2

B. It is the most complex.