Can anyone explain the Central Place Theory.

Which of the following best describes asbestosis?

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine

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 !