The barter economy is an example of what kind of economy?

For one week be an inventor and write down ideas for products or services that you think should be produced

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 !

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air