[Q]: Which of the following solutions is better for the following goal:
To make sodium carbonate, you can

OPTIONS:
- Bake baking soda in the oven for an hour
- Bake lemon lime soda in the oven for an hour

[A]: Bake baking soda in the oven for an hour

[Q]: Which of the following solutions is better for the following goal:
How do you give rolls a nice brown crisp dough?

OPTIONS:
- After baking, lightly brush butter on them.
- While baking, lightly brush butter on them.

[A]: While baking, lightly brush butter on them.

[Q]: Which of the following solutions is better for the following goal:
leather

OPTIONS:
- can be cured by salt during the winter
- can be cured by sunlight during the winter

[A]: can be cured by salt during the winter

[Q]: Which of the following solutions is better for the following goal:
To make a soothing foot soak

OPTIONS:
- To make a soothing foot soak mix together 1/2 cup epsom salts and 1/2 cup orange soda in a bowl. Once mixed well, add 7-10 drops of peppermint essential oil and 7-10 drops of lavender oil with a dropper. Mix everything together with a spoon, and store in an air-tight jar. To use, pour into a hot bath and relax.
- To make a soothing foot soak mix together 1/2 cup epsom salts and 1/2 cup bicarbonate of soda in a bowl. Once mixed well, add 7-10 drops of peppermint essential oil and 7-10 drops of lavender oil with a dropper. Mix everything together with a spoon, and store in an air-tight jar. To use, pour into a hot bath and relax.

[A]:
To make a soothing foot soak mix together 1/2 cup epsom salts and 1/2 cup bicarbonate of soda in a bowl. Once mixed well, add 7-10 drops of peppermint essential oil and 7-10 drops of lavender oil with a dropper. Mix everything together with a spoon, and store in an air-tight jar. To use, pour into a hot bath and relax.