[Q]: Which of the following solutions is better for the following goal:
To save electric in the winter,

[A]: turn your thermostat down to a cool as you can take it and wear heavy clothing such as sweaters because each degree will save you about $10.

[Q]: Which of the following solutions is better for the following goal:
When working with glass how can I protect my eyes?

[A]: By wearing safety glasses.

[Q]: Which of the following solutions is better for the following goal:
how do you make a doggy door?

[A]: cut a hole into your door to let the dog in and out of the house.

[Q]: Which of the following solutions is better for the following goal:
Make your own potting soil.

[A]:
Go outside and dig up some dirt. Carefully spread thin on a cookie sheet and bake for 10 minutes. This kills all germs.