Whoever said that fried bacon tastes the same no matter how you make it was wrong.
The custom varies from country to country, so we should just get used to it.
I can’t believe how much makeup can change a face.
You've seen how 変える means "to change" something. This word means that something changed by itself, it means to be changed or to be altered.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You learned this reading already so you should be able to read it!