The answer is: d) <span>a few repetitions with maximum weight.</span>
The answer is: The ATP-CP system.
This energy consists of phosphates called: Adenosine triphosphate and phosphocreatine
It gives really quick energy, and this occurs when they are broken down.
Hope this helps :)
I'm no expert at all so don't take my word but number one looks like it will make the most sense. Because it has the word reproductive system and yeah...
Since reinforcing is the result or relapse of a prior event, it would have to be C. Not getting a job due to past history is reinforcement of his actions and what they resulted in.