The answer is C, oil. the reason being i bc they needed oil for larger scale things like oil paintings and such. hope this helps, have an amazing day :)<span />
Answer:
There are no multiple choices here.
Answer:
Your brain doesn’t get more exhausted in that way. Some people wake up tired after shifting, and some don’t. Personally my time ratio is 1 hour CR = 2 weeks DR, but there’s nothing wrong with yours! Just experiment with what works for you :)