What was discovered in sutters mill?

a. gold
c. silver
b. iron
d. none of the above

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

What were the advantages and dis- advantages of how britain and france ruled in africa?

What was the effect of the industrial revolution on the working class?