5632 Ecology

30 Feasible experiments.

• Soil: organic mineral fraction
• Soil porosity
• Soil acidity
• Carbonates in soil
• Agricultural land
• Habitat: life in soil
• Water cycle
• Habitat: life in water
• Drinking water and its distribution
• Water pollution
• Search for the main pollutants
• Biological indicators
• Atmosphere
• Atmospheric pollutants
• Acid rains
• The greenhouse effect
• Atmospheric dust
• Smog and thermal inversion