Natural resources

12345678
Across
  1. 3. which prevents sudden increase in temperature during daylight
  2. 4. soil which contains humus, living organisms and soil particles
  3. 7. A greenhouse gas
  4. 8. outer crust of earth
Down
  1. 1. thinning of ozone layer
  2. 2. the zone of earth where atmosphere,hydrosphere and lithosphere interacts
  3. 5. helps in formation of soil
  4. 6. when oxides of nitrogen and sulphur dissolve in rain