what does the following question mean: "Has any one person made a difference in an area of society that we can still see the effects of their efforts today?"?

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries

Which of the follow modern activities would only have been possible after the neolithic revolution

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