What was intensified in the mid-nineteenth century by the social tensions stemming from industrialization?
a. gender hierarchies
b. family bonds
c. anti-catholic sentiment
d. alcoholism

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