: Nuclear fusion reaction takes place in sun as well as stars. The process is carried by proton-proton chain. The sun starts with protons, and through a series of steps, turns them into helium. Every second 600 million tons of hydrogen is converted into helium
: The country with the most time zones is France, mostly due to its various territories around the world. These time zones are: UTC-10:00 — most of French Polynesia. UTC-09:30 — Marquesas Islands.
Lets create some mock tests based on your upcoming test's criteria
and evaluate your preparation. This will allow you to identify your weak
areas and improve them in time.