Answer:
1. The picture shows the 4 bins or trash cans.
Blue - is for papers
Green - is for glasses
Yellow - is for metals
Red - is for platic
2. Reduce methane gas production. Landfills generate methane as waste decomposes, one-fourth of all methane.
3. The students play a very role to save the environment by several reasons like they are sensitized towards the environment, implement the proper strategy of 3 R's which includes reduce, reuse and recycle and know judicious use of resources.
Explanation:
I hope it helps! Not sure btw.
