Answer:
I believe its C
Explanation:
A neuron is what makes up an atom, so a neuron would go first, then nerve tissue, central nervous system, and then finally human being.
<em>have an amazing day</em>
Genes.
A gene is a section of a DNA molecule that contains the information to code for one specific protein. The gene contains the code that determines the structure of a protein.
Answer: molecular size or weight of the agent.
Explanation: The smaller the size, the faster it can diffuse out and the greater the rate of diffusion.
