The answer is 2: to increase the amount of land available for agriculture.
Reason:
If I remember correctly from Geography last year that is called terrace farming. Common practice in hilly areas where you would be unable to plant crops. Instead, they flatten that out and have “steps” that gives them flat land to grow crops, often rice.
<h2>Answer:: </h2>
Today's knowledge of fossil ages comes primarily from radiometric dating, also known as radioactive dating. Radiometric dating relies on the properties of isotopes. These are chemical elements.','.
I'm pretty positive that it would be personification.
Answer:
Schools were set up to teach Confucian ideas.
Silk was discovered.
Explanation: