I’m pretty sure they included more than one independent variable.
Drink lots and lots of water and stay hydrated because dehydration is a big risk.
Hello,
The answer should be option A "true".
Reason:
The answer is option A because if you forget how to work the equipment the employer (manager) will have to retrain you therefore the answer is A.
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit
Likely the chronological age, mainly because it would explain the differences in puberty stages between the two boys, which is an example of physical maturation.