An anthropologist examines the census data over the past 100 years to determine the growth of minority groups in the united states. a) field observation b) secondary analysis < i think it's this one c) controlled experiment d) hypothesis

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