The Yuan Dynasty changed Chinese governments by uniting the separate states of China into one. This was their major achievement during their rule from 1279 to 1368. Other achievements included developments in economy, science, engineering, mathematics, and medicine.
Answer:
The Fertile Crescent is a crescent-shaped region in the Middle East, spanning modern-day Iraq, Syria, Lebanon, Israel, Palestine, Jordan, Egypt, together with the southeastern region of Turkey and the western fringes of Iran. Some authors also include Cyprus.
Explanation:
Try C and if im not right i am so sorry
Stress signals are the ways you express stress for example: ruminating thoughts, shaking of legs, pacing.
Stressors are things that stress you, for example relationship problems or exam.
while you have to answer this question for yourself, I can give you some examples:
shaking before an exam
ruminating thoughts before meeting parents
pacing before a flight
Answer:A
Explanation:
Given Both works for 10 hours
Arnold produces 6 baskets per hour and Will Produces 4 baskets per hour
so in 10 hours
Arnold produces 
Will produces 
So in same time Arnold Produces more baskets hence his Productivity is more
