C the presence of harmful substances in food
Eutrophication is the overgrowth of algae in lakes and ponds
that is usually caused by the introduction of different chemicals
into the water from fertilizer run-off. Some ways to combat this
are to increase the flow of moving water, prevent contamination
from fertilizer, and reduce pollution of our lakes and streams.
Cold air creates high pressure low pressure is created by hot/warm air La Nina creates cooler temperature then el nino
