The answer is A because it is the most plausible answer.
Answer:
The simulation will not produce usable results because actual customer data are not available.
Explanation:
I believe the answer is: o<span>bsessive-compulsive disorder.
People with </span><span>obsessive-compulsive disorder would feel anxious if the think that some aspects in their life are not up to a 'perfect' standard
Because of this,they often experienced 'uncontrollable urge' to repeat certain actions over and over again without ever reaching satisfaction.</span>
As an individual you can use solar panels, donate old clothes, use eco friendly materials, recycle, even trying to grow your own food.