Which phrase describes the substitution effect?

a.
buying cheaper alternatives when a product becomes expensive
b.
replacing existing producers in a market with new producers
c.
replacing existing products in a market with higher-quality products
d.
substituting existing technology with a new technology to produce more goods

For Edmentum/Plato users, the correct answer is:

A. buying cheaper alternatives when a product becomes expensive

it for the workers lik if you have a job thats what its for

explanation:

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain