Question

Which is an analogy? Growing a garden is like putting money in the bank. Growing vegetables in a garden is less expensive than buying them from a store. Gardening is an affordable way to enjoy fresh vegetables year round. Gardening can save money because seeds cost less than a fully grown vegetable.

Answer 1

An analogy is a comparison between two things.
The only answer comparing a thing to another is the first answer. The rest of the answers are stating facts/opinions.

Answer 2

The analogy is "Growing a garden is like putting money in the bank".

An analogy is a literary device that consists in establishing a comparison between two things from different nature. It is used to explain something by means of a simplification. In the sentence "Growing a garden is like putting money in the bank", "is like" is what establishes the point of comparison. Moreover, analogies is different from metaphors and similes because analogies are also related to a logical arguments; however, they are mainly used in poetry.