<span> (1) <em>building a network of roads through the
mountains
(2)</em><em> growing rice as a major agricultural product</em>
(3) <em>establishing an encomienda system
</em> (4) <em>creating floating gardens
</em><em />There are some choices my friend!<em>
</em></span>
D. Have a great day hope it’s right!:)
Answer:
<u>A) increased sophistication of tools.
</u>
Explanation:
Technological advances have included significant developments in the production of flint tools, including fine-blade based industries instead of simpler and shorter shards. A sheath made of different materials and a stone tool for scraping and polishing made it possible to work on bones, antlers and skin. Advanced hunting spears and harpoons also appear during this period.
Answer:
Drive-reduction theory
Explanation:
According to the drive-reduction theory, an organism will always act in a way to feed their drives. A Drive is something that our body needs physiologically or psychologically.
The behavior of an organism is almost completely based on the organism's need to feed their drives.
There are two types innate drives which are basic needs such as food, water, shelter and secondary drives such as money.
Hence, the question is referring to the drive reduction theory.