Select the correctly punctuated sentence.

a. it is cold, you should wear a coat.
b. it is cold you should wear a coat.
c. it is cold, so you should wear a coat.

use google

explanation:

when making an inference, the reader should be sure to support the inference with

evidence

a is an educated guess about what will happen.

c. prediction

when new information proves that a reader's prediction is wrong, the reader should

make a new prediction based on the new information.