Movies with a healthy dose of dance, gymnastics, cheerleading or just plain big musical numbers can be a lot of fun – sometimes inspirational, sometimes corny, sometimes just a fantastic laugh. Here’s a list...
Ozone, O3, is mostly found high in the atmosphere, between 10 to 450km high. The ozone in the stratosphere is about 90% of the world’s ozone. Ozone is created from a reaction with oxygen, O2, and the...