Answer:
The answer would be contamination of groundwater.
Explanation:
1. Fracking
2. Air pollutants.
3. Decomposition of organic matter e.g. in landfills.
4. <span>Chlorofluorocarbons </span>mainly in refrigerants and air conditioners.
What may form in a large body of water such as a lake or ocean, is a delta
Like, where 4 canyons are located at? Alright then...
Grand Canyon - Arizona
Palo Duro Canyon - Texas
Bryce Canyon - Utah
Three Gorges - China
Answer:
It's B, because it has everything needed for an economy.
Explanation:
