Answer: it should be producer
I’m sorry but do you want me to answer all of these I just need a yes or no I’ll answer in the comments (:
Because it allows them to breathe and function.
Start with the one that you know better the beginning of essays are hakf the tine awkward anyway.
OK well first of all I hate biology but I like writing so you can use :: The molecular reactions of cellular respiration transform Krebs cycle into the more readily available bond energy of ATP.