B) <span>over-irrigation
I hope this helps</span>
Answer:
Two factors that made diseases from Europe worse than diseases from America was the cleanliness and hygiene. When colonization occurred, the individuals who came along the journey had brought diseases along with them. And it was not just them who had brought it, but it was also contained in the food and things they brought as well.
Explanation:
<span>The Food and Drug Administration must approve a new drug before it can be sold</span>
The silk road is important because of getting to see exotic customs which is connected through the trade routes. while they get to trade more items with other people (movement of goods) and brings cultures all around (ethno-culture)!