Answer:
Water pollution is defined as the presence in groundwater of toxic chemicals and biological agents that exceed what is naturally found in the water and may pose a threat to human health and/or the environment.
Air Pollution is defined as the presence of substances in the atmosphere that have a harmful effect on human health as well as the health of other living organisms
Answer:
The War of 1812
Explanation:
Andrew Jackson was a general in the War of 1812.
He wrote a book "Benjamin Benneker: The Astronomer and Mathematician" And he invented America's First clock