Answer:
A. Autotrophs
Explanation:
an autotroph, def an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
humans and other mammals, plants, and a select few other things
Balanced equation : 2K + Cl2 > 2KCL.
I think it’s Labeled or numbered....
Guess and check, test, trial and error, completion.
