Increasing the use of nuclear power and planting trees in urban areas are two methods of reducing atmospheric levels of what gas? carbon dioxide ozone cfcs sulfur dioxide

the use of electrical signals that transit messages is know as

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.