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
<span>Field research or fieldwork is the collection of information does not take a place laboratory. library or workplace setting. The approaches and methods used in field research vary across disciplines. For example, biologists who conduct field research may simply observe animals interacting with their environments, whereas social scientists conducting field research may interview or observe people in their natural environments to learn their languages, folklore, and social structures.</span>
i hope this is the answer you are looking for.
The answer is 2x+3 because the expression cannot be simplified any further because they do not share the same variable which is x
