Which statement BEST describes the effect of the 1996 Summer Olympic Games?

Ineed a summary over the 6th amendment

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

6. how are goods and services distributed in a free market system?