Producers, Consumers, and Money
If producers can not make items and consumers can not buy gems both without having money then items become scarce.
Its an example of a megalith
<span>the one that is the best reason that trees are important for overall air quality is: a.Trees help provide a balance in the components of the atmosphere.
Everyday, trees will take a substantial amount of carbon dioxide from the air and process it into energy, releasing oxygen (which is needed for our breathing) and H2O in the process.</span>
They all talk about giving freedom and peace to slaves.