The economic system may be production,allocation,distribution,firms,and how the government responds to the economic problem.
Natural process by which water soluble substances (such as calcium, fertilizers, pesticides) are washed out from soil or wastes. These leached out chemicals (called leachites) cause pollution of surface and sub-surface water.
chile, Mexico, United States, Antarctica, Russia, Japan, Philippines, New Zealand, Papua New Guinea, Indonesia, Canada, Taiwan, Guatemala