Author: Anonymous

Which greenhouse gas(es) is produce by decomposition?  

  outdoor air pollution from trains are classified as a ___________ source. 

Which subatomic particle is mostly involved in nuclear fission? 

Heat energy from the sun that causes liquid water to change to water vapor and the gravitational pull of the Earth that brings water to the surface are the two major forces that power  ____________. 

________________ is defined as the amount of carbon dioxide produced by a person, organization or state over a given period of time. 

What is the carbon source for decomposition?

Living organisms are composed 96% of four elements.  Which of the following is NOT one of those four elements?

___________ organisms are organisms that use oxygen to convert carbohydrates into carbon dioxide.  

Nuclear energy uses the energy stored in the core of _____________ atoms. 

The United States alone has over a million rivers.