Answer:
I'm fairly sure the organization is the RCREEE.
I think the thing that protects us from harmful radiation is ozone. Correct me if I'm wrong. Hope this helps tho!
Answer:
Mohorovicic discontinuity, or simply the Moho.
Try https://www.sciencedaily.com/terms/water_pollution.htm or https://www.britannica.com/science/water-pollution
