1. Ch.2. Atmosphere: System consisting of gases surrounding Earth
From
Where many
environmental
Issues rise

2. From http://people.eku.edu/ritchisong/317notes8.html

3. Environmental issues in the atmosphere
Global warming
Acid deposition (wet/dry)
Ozone
Particulate matter
VOC/Nox
Others

4. Biosphere: System of life forms (and associated organic matter)
From

5. Chemical composition of 1 70kg man
From
From