Ninety percent of Earth's garbage is generated in/on ________.
A) farms
B) industrial facilities
C) cities
D) rural landscapes
E) suburbs
Question 2
The landscape along interstate 70 was changed drastically over the last 175 years. What is now seen on the landscape that was not seen in the past?
A) sagebrush
B) bunchgrasses
C) dense woodlands
D) herbs
E) grasslands