Answer: New and improved technology
Explanation: With more development tools we can significantly decrease manual labor which then causes us to increase our production time. As we improve this technology we are able to shift to more commercial production producing more for our larger population rather than simply for oneself and or their family
Hope this helps
A line has one dimension, length.
A plane consists of an infinite set of lines.
Absolutely random question, but I would use a large hammer and smash my rock to piece. :/
Of these choices i'd say that the third option or "domestic fuels are always cheaper to acquire and renewable". I hope this helps :)