b. "Colonists"
c. "1men"
d. "Westeners"
B. England
C. Portugal
D. France.
b. Cold air led to heavy use of coal, and the smoke from the coal fires was trapped close to the ground by a temperature inversion.
c. Effluents from steel factories raised the temperature of the Thames River, producing increased water vapor that condensed as soon as it contacted the air.
d. Unusually strong winds pushed air up the slopes of ...
Answer:
b
Explanation: