Only bacteria can reproduce outside a host and bacteria are not dependent on a host
Answer:i think its C or D
Explanation:
It cant be chemoautotrophs or photoatropus
Carbon makes four electrons available to form covalent chemical bonds, allowing carbon atoms to form multiple stable bonds with other small atoms, including hydrogen, oxygen, and nitrogen. This allows carbon atoms to form a tremendous variety of very large and complex molecules.
B. acidity...
hope this helps and HAGD!