Answer: The carbon dioxide is the output and oxygen is the input of the Scuba apparatus.
Explanation:
The scuba apparatus is a life saving apparatus used by the sea divers. It recycles the exhaled gas and removes the carbon dioxide and compensates for the utilized oxygen gas before the diver is actually supplied with the gas for the purpose of breathing in a circuit. Hence, the carbon dioxide gas is the output and the oxygen is the input.
I now chlorophyll is the main compound (or one of them) and I'm pretty sure chlorophyll is a protein so I'd pick "D".
With Personal Watercraft having no brakes, the best thing to
do in avoiding obstacles is to take caution and slow down while operating the
Personal Watercraft boat but when obstacles are ahead and you need to use
methods, it is best to apply throttle and after that, steer quickly.
The answer is...
<u>Closed</u> ecosystems do not experience any new input or output of energy and/or material.
I hope this helps! :)