Answer:
Explanation:
It helps in assessing the level of pollution in relation to the air quality standards. Standards are a measure to set the target for pollution reduction and achieve clean air.
C.Rio Grande is located in North America
all of the above d because all can be from animals
Answer:
B) China, India, and United States
Explanation:
China = 1,389,618,778
India = 1,311,559,204
United States = 331,883,986