Monday, December 9, 2013

Human Impact

In what ways do humans impact the environment and affect earth systems? 

Friday, December 6, 2013

Thursday, December 5, 2013

Mineral Resources

What is the difference between metallic and nonmetallic  mineral resources? Please give an example of each.

Wednesday, December 4, 2013

Renewable energy resources

What are some of the advantages and disadvantages of using solar energy, wind energy, and hydroelectric? 


Tuesday, December 3, 2013

Fossil Fuels

Why are coal, oil and natural gas considered to be fossil fuels ? 

Is it possible that plastic dinosaurs could be made from real dinosaurs ?