CaO and CO2 are best classified as A. One compound and one element
B. Two Elements
C. One Element and two compounds
D. Two compounds

What recommendations would you give to your local community to to decrease the local effects of human impact on the environment? list 2 recommendations and how they will positively impact your community. 3. what recommendations would you give to the global governments to decrease the global effects of human impact on the environment? list 2 recommendations and how they will positively impact our planet.