Who what to join my zo om anyone that is lady

What from the columbian exchange had perhaps the biggest impact on the world?

3. according to oliver, how can the fast food industry with the food revolution? i will give brainliest

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