Answer:
Technological innovations increased agricultural yields.
Explanation:
The Chinese economy in the period 1200-1450 increased due to higher production of agricultural crops with the use of new technologies. In the period of song dynasty, an early growing rice cultivar was produced which can be grown multiple times in a year. Due to multiple harvest, food was available in large amount for the people so we can say that innovations increase the yield of crops.
B. I looked it up so I’m sorry if It is incorrect
Answer:
tundra and desert
Explanation:
Grass = a good chance there is some sort of rainfall
every option has grass except the tundra and desert
experience tells us the tundra is quite literally too cold to have precipitation fall from it and the desert is too hot
<u><em>Justinian 1</em></u> was the last great emperor.