Answer: A.) At this point in his life he was familiar with the basic science of electricity.
Explanation: This answer makes the most sense out of all of them and the sentence gives reason enough to believe said character has some knowledge on the laws of electricity. Taking this based off the words "I was not unacquainted with the more obvious laws of electricity." Meaning said character had some prior knowledge, so we can assume he is familiar with the basic science of electricity.
You might call your continual problems a curse because someone else is continuing to be blessed.
If you cant handle someone when they are at their darkest hardest point, then you don't deserve them at their highest and best point.
Answer:
What should I use to clean the stove?
When it's cool, spray it with distilled white vinegar and sprinkle baking soda over it. Moisten a towel in hot water and drape it over the baking soda and vinegar. After about 10 minutes, pick up the towel and use it to scrub the stove top clean, rinsing often. Spray more vinegar on the stove top and wipe it again.