1. Which sentence is punctuated correctly?

Question

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1 point
I added eggs, brown sugar, and baking powder to the grocery list.
On a rainy afternoon--baking cookies is one of my favorite things to do.
Before we start baking...remember to preheat the oven.
Because, we live in a humid climate, sometimes we have to adjust recipes.

Answer 1

I added eggs, brown sugar, and baking powder to the grocery list.