The first crusade lasted from 1096-1099.
Answer: B. Improving Agricultural techniques with Irrigation and fast rising rice increased food supplies.
Explanation:
The Song Dynasty of China which lasted from 960 - 1279 AD saw a great increase in population as well as income. This was due to improvements in Agriculture that led to increased food supplies which could support a larger population.
Some of these improvements included irrigation as more farming commenced on the Yangzi River which increased crop yields as well as the introduction of different types of rice such as fast rising rice which meant that more rice could be grown in planting season.
You should just try googling these options. Only one has anything to do with the environment
The awnser is D
I know this for a fact.
Hope this is Useful!-Nick
Answer:
An Island
Explanation:
An island is land surrounded by a body of water. Japan fits that definition.