Which of the following types of advertising is the most difficult for consumers to ignore?

Online advertising is very eye catching. Advertising on the internet can be a cost-effective way to attract new customers. You can reach a global audience at a low cost. Many customers research businesses online before deciding whom to buy from.

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What is a commodity?
A.
Something that producers are unable to sell to consumers
B.
A resource that is available in unlimited quantities
C.
An exchange between a producer and a consumer
D.
Something of value that can be bought, sold, or traded

Answer decreased soil salinity;