Answer:
1.Rivers can overflow their banks, causing flooding during heavy rains, severe storms and dam breaks.
solution:prevention or protection. Preventing floods involves proper urban planning, proper sea-wall construction, and proper home-building practices.
2.These particles and gases can come from car and truck exhaust, factories, dust, pollen, mold spores, volcanoes and wildfires.
solution:The most basic solution for air pollution is to move away from fossil fuels, replacing them with alternative energies like solar, wind and geothermal.
