What is the major environmental problem in the canadian shield?
a. acid rain
b. urban heat
c. deforestation
d. soil contamination

Cultural convergence is the theory that two cultures will be more and more like each other a very notable example of this is around the u.s.-mexico border, where 

Increased profits reduced health risks

Western europe's proximity to water has affected its climate since large bodies of water in the moderation of air temperature of the surrounding areas. the economy is also affected since it is great for the economic growth of the region. this allows easy access to trade for europe. culture is also affected by the proximity of water through the pattern of their day-to-day living.