Uranus and Neptune are made primarily of hydrogen compounds, with smaller traces of hydrogen, helium, metal and rock. The most common hydrogen compounds are methane (CH4), ammonia (NH3), and water (H2O). The farther away a planet is from the Sun, the cooler its atmosphere will be.
Musical.ly is a popular app for creating 15-second music videos. How it works is kids select snippets of popular songs and record themselves singing, lip-syncing or dancing. Some kids skip the music and perform 15-second comedy skits.
Articles Musical.ly. 1  Best music players We will help you discover great apps to listen to music for free. Enjoy your own tracks, listen to... 2  How to listen to music with the best music players We will help you discover great apps to listen to music for free. Enjoy your own tracks, listen to...