9? Cause thats all not to smart or anything rlly lol
Oxygen, Glucose, Chemical Energy
ACB I think ( not giving my word on this part)
They are essential to all ecosystems
The answer is online commercial banking :)
Answer:
<h2>YEET B </h2>
Explanation:
Sorry
Its B: a type of what-if analysis that allows a user to define multiple variables for multiple functions or formulas
(i think)