Answer:
<em>C. It led to concerns regarding the dangers of greenhouse gases.</em>
Answer:
The Silk Road extended approximately 6,437 kilometers (4,000 miles) across some of the world's most formidable landscapes, including the Gobi Desert and the Pamir Mountains.
Hope this helped you.
Answer: Tigris River is completely within the Muslim lands of 661
Explanation:
This civilization is located on the east of Mediterranean Sea. The Tigris River with its tributaries form a river system in western Asia. From the sources in the Taurus Mountains, of eastern turkey they flow through Syria through Iraq into the Persian Gulf. The flow of the water, is from the Southeaster mountains of Turkey. Transcript of the Tigris River was very important for ancient civilization.
No promises, but I think it's A
