Hello there, fellow human being!
The answer is D. unicellular.
Hope this helped!
~Ruru
Its called <span>Heterozygous</span>
<h2>Answer</h2>
Chemoautotrophic bacteria obtain their carbon from <u>CO2</u> and their energy from <u>rea</u><u>c</u><u>tion</u><u>s</u><u> </u><u>involving</u><u> </u><u>inorganic</u><u> </u><u>chemicals.</u>
<h3>#CarryOnLearning</h3>

It could cause you Death, and/or diseases