1992 was the 500th anniversary of the day Columbus came to america. But in 1992 it was changed from Columbus day to indigenous peoples day. That is what led to massive protests in 1992.
I need more information affected by what?
The correct answer is the following.
The significant threats to water quality in the United States are industrial pollution, sewage pollution, and water from the sea that is salty.
The Earth is mostly composed of water. But the problem for humans is that most water contains salt. Only 3% of the planet's water is fresh and for humans to drink. That is why the topic of water pollution should concern everyone on the planet. There are many pollution contributors on a daily basis such as fertilizers, pesticides, solvents, and spilled chemicals
