15. A member of the House of Representatives must be at least and a U. S. citizen for at
years *
25/7
30/9
25/9
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