Thanks for reaching out. Here's the Help Center article which helps you with *The type of content that can be monetized*: https://goo.gl/xjbLJu . Hope this helps.
Hi there! So long as you meet the eligibility & program thresholds, you can expect to hear back in a month or so. All applications are still manually reviewed, so it does take a bit of time! If it's taking longer that likely means your channel is being held for a second review.