Which of the following elements products no harmful emission when used as an energy source

Why is terracing used in southeast asian agriculture?

Identify, in detail, three environmental effects of agriculture and explain how the actions of farmers cause them. what is the relationship between poverty and obesity in america and why? what are genetically modified organisms? list two pros and two cons for using genetically modified organisms. y'all this is due !

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?