I think it would be b in my
-exchange led to the creation of larger, more powerful states
-the spread of Buddhism and Islam
-spread of epidemic diseases beyond local regions, with sometimes devastating effects
-spread of plants, animals, technological
-It altered consumption patterns
-encouraged specialization and diminished the economic self-sufficiency of local societies
-means of social mobility, traders often becoming a distinct social group
-Gab between rich and poor grew
-New civilizations developed along roads, places for merchant to stop
Answer:
Christmas because it is Jesus's birthday and we give gifts to other's and it's just fun to put up the Christmas tree and all the lights and stuff so yeah. Not to mention, it kinda gets us closer to our families.
Natural environment has the ability to gather some pollutants yet if too much then the environment could no longer handle it. A leaky sewage can pollute an aquifer with I. arsenic as the contaminant. Arsenic is a metalloid existing in the Earth's crush. Exposure is natural yet can be aggravated by the human activities.
