<span>The Normans conquest England in 1066. The invasion and occupation took place by an army of Norman, Breton, and French soldiers led by Duke William II of Normandy, later styled William the Conqueror.</span>
Who is attributed with coming up with the most influential scientific innovation of the 18th and 19th centuries?
Select one:
<u>a. James Watt
</u>
b. Louis Pasteur
c. Andrew Carnegie
d. Charles Darwin
QUESTION 2
What innovation of this era of great scientific discoveries came about due to an error by a lab assistant?
Select one:
a. carbonized steel
b. steam engine
<u>c. vaccination
</u>
d. nuclear fusion