The Umayyads had conquered many new lands and peoples for Islam, but in
750 AD, after 90 years of continuous rule, they faced some serious
economic and political problems.
Answer: December – The twelve Eleanor crosses are erected between Lincolnshire and London in England, as King Edward I mourns the death of his queen consort, Eleanor of Castile. December 18 – Upon the death of Magnus III, he is succeeded by his 10-year-old son Birger as king of Sweden.
Explanation:
The sternal angle is an important clinical landmark for identifying many other anatomical points: It marks the point at which the costal cartilages of the second rib articulate with the sternum. This is particularly useful when counting ribs to identify landmarks as rib one is often impalpable.
Answer: 0.375, 1.123 units ppm
Explanation:
n=7 sample size
The mean is 5.24/7=0.749
sd=0.404
CI percentage 95%,
T= 0.975,df=6 is 2.447
TxS/sqrt(n)=2.447*0.404/sqrt(7)=0.374
95%CI = (0.375, 1.123) units ppm