The levels of greenhouse gases in the atmosphere have been increasing due to the widespread burning of fossil fuels by the growing human populations.
I think its corn because of the key below ?
When silicon atoms bond, then silicates form which are minerals in which such elements as potassium, calcium, magnesium and aluminum combine with the silicon atoms to form minerals like feldspars of different types or if it is just silicon and oxygen that bond then it forms quartz.
Answer:
The Natchez tribe lived in the area of St. Catherine's Creek, east and south of the present city of Natchez, Mississippi. Others later settled in South Carolina. The Natchez Indians were successful hunters, fishers and farmers, growing corn, beans, and squash.