1. Nutrient Cycles Nutrient Cycling Carbon Cycle Global Warming Nitrogen Cycle 2. Nutrient Cycles 95% of an organism is made up of only sixelements: Carbon – from CO 2to…
Global Warming http://www.youtube.com/watch?v=oJAbATJCugs What is greenhouse effect? There are gases in the air that can trap heat from the sun. These gases are: Water vapour…
Chapter 19 Global Change Global change- any chemical, biological or physical property change of the planet. Examples include cold temperatures causing ice ages. Global climate…