(par 2.2.1. 6.2) Soil organic matter
This topic has four questions: What is organic matter? What are the 4 main steps in degradation of organic matter? What is the impact of incorporating organic matter into the…
(par 2.2.1. 1.3) Radiation (From Wikipedia, the free encyclopedia)
http://en.wikipedia.org/wiki/Radiation From Wikipedia, the free encyclopedia In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.[1][2] This includes electro-magnetic radiation such as radio waves, visible light, and x-rays, particle radiation such as α, β, and neutron…
(Par 2.2.1. 1.3) Impact of sun and the greenhouse effect
The role of the sun as heat generator on earth and how it contributes to the greenhouse effect. http://www-istp.gsfc.nasa.gov/stargaze/Sun1lite.htm Sunlight and the Earth The Sun is the brightest and most…