Anyone here know how can I monetize my blog?

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I suddenly opened my Blogger.com account, and I found out that I have some blogs made in the past still active. However, I have no interest in them, but I do have interest in creating a new blog. I will skip the basics, I just need to know how to monetize it? And yes, I opened Google Adsense, and noticed that I have 0.12$ in there lol.. God knows how they ended up in there, but I think it might be from the blogs. Otherwise, I don't seem to work on anything else connected to Adsense..