Suppose transactions costs for a product are zero and the product can be resold. why might the firms that sell a product charge different prices? firms might charge different prices for the same product even when transactions costs are zero and the product can be resold if the

The correct answer is "firms offer different levels of service".

Explanation: Firms might charge different prices for the same product even when transactions costs are zero and the product can be resold if the  firms offer different levels of service. Because depending on the level and quality of the service offered they may charge a higher or lower price.

the correct answer is "nuclear power plants do not pollute the air". unlike fossil fuel-fired power plants, nuclear power plants do not produce chemicals or other components that could pollute the air. nuclear reactors work with uranium, creating energy by splitting the atoms in a fission chain reaction, which not results in the formation of carbon dioxide or other greenhouse gases.

mark brainliest   : )

answerskimming;