Question

A. if the lid doesn't "pop" the jar is not sealed properly
B. in addition to fruit you can also can many vegetables
C. the jars used for canning must be hot as well as clean
D.canning is fun but it takes a lot of work and knowledge

Answer 1

Answer:

D

Explanation:

Because main idea can found in first or in the end of the paragraph.

In this paragraph,they describe how fun the canning.