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.
In China we celebrate New years. It is very fun and we do the dragon dance. In Mexico,we do Cinco de mayo where we all love to do something special with our past or gone loved ones. In India we celebrate Diwali and Pakistan we celebrate eid. Jews celebrate rosh hashanah. And in christianity; we do Christmas and Easter. Tue point is, different holidays help us all get toghether and celebrate with our families. Sorry if I missed any holiday
True, during the winter it snows, and in warmer reasons it's rain.