Which environmental risk increased in Post-Classic Mesoamerica due to intensive chinampa cultivation within limited lake systems?

💡 Explanation

When intensive chinampa cultivation occurs within limited lake systems, nutrient runoff increases because fertilizer use concentrates, promoting eutrophication and algal blooms. Therefore, toxic algae bloom accumulation results, rather than increased volcanism, ozone depletion, or magnetic intensity changes which are driven by unrelated geological or atmospheric processes.

• Which outcome occurred when medieval Islamic algebra was applied to inheritance law calculations involving complex family structures?
• Which risk increases when an ancient Incan agricultural terrace experiences sustained freeze-thaw cycles?
• Which issue significantly reduced transportation efficiency along Roman roads during periods of thawing after prolonged freezing?
• Which outcome resulted from intensive maize cultivation in the pre-Columbian Americas using slash-and-burn techniques?
• Which mechanism limited astrolabe precision during celestial altitude measurement?
• Which risk increases when improperly-terraced chinampas used for maize cultivation experience heavy rainfall?