I think the answer is c but I looked it up and got this: system or thing used as an example to follow or imitate.
It's probably C. Because it makes the most sense and photosynthesis doesn't make ATP and if you don't think C. Is the answer then put D.
If the parents have black hair then all the kids would have black hair (a)
if one parent has blonde hair and the other has black hair then 2 kids would be blonde and 2 would have black hair (d)
if the parents have blonde hair then the kids would have blonde hair (c)
The answer is true can you tell me answer my question