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.
musical. 1  of, relating to, or producing music: a musical instrument. 2  of the nature of or resembling music; melodious; harmonious. 3  fond of or skilled in music. 4  set to or accompanied by music: a musical entertainment.