I cannot figure out how to put google adsense on my wordpress I’m new to this but how do I do it please tell me.

Tell me if there is a large enough audience for this, enough content to blog about on this topic and if the topic will work with adsense( if its niche enough and so forth)

I do not care about the keywords or anything like that. I want a topic which is interesting and attracts a large audience and is niche enough for Adsense. Any help is appreciated. Thanks

I am using the Wordpress theme ChaoticSoul. It has a picture on the top as a blog header. I want to place my adsense directly underneath this picture.
Can help advice on where I need to place my codes? Thanks.

If you are new to the Internet money making machine called Affiliate marketing then this article is for you. Affiliate marketing has evolved from the days when Amazon offered webmasters a pay-for-performance opportunity if they advertised and sold books supplied by Amazon on their websites.
Today the products that produce large profits for Affiliate marketers are [...]

This blog will not give inventing history or anything like that but tips, such as good 3d printing machines, tips to get a idea , the process to building a invention etc… This blog is for adsense so please tell me if there will be a large enough audience, whether the topic is niche enough [...]

While Wordpress itself is a robust and complete blogging system, to really maximize the software and make money from Google Adsense you’ll need to install and use a couple of Adsense “plugins”.
Most of the plugins can be found by doing a search on Google, and installation is simple and straightforward. All you need to do [...]

Google’s Adsense program is very user friendly. The number one reason Google’s AdSense program has far outweighed Yahoo’s Publisher Network is because they’ve been able to spread out as far and wide as possible in as little time as possible. You are now a member of the AdSense Illuminati. The Google Adsense, will display ads [...]