Based on the information I was able to find I would say "Natural gases".
This is due to the reason it is burned to create heat for buildings which are used for several things we do daily such as cooking, heating, and electricity.
Mount Everest is in the Himalaya mountain range, which is in Nepal
The answer is “During the reign of Askia Muhammad, the Songhai
empire reached its greatest size.”
<span>Askia is also known as Muhammad Ture. He was able to extend
the territory of the Songhai Empire. He was able to get alliances, thus allowed
him to easily conquer many kingdoms. One of the achievements of the Songhai
empire, he was able to gain the respect of his people.</span>
You might be just stuck at the border. If you're on the train to Moscow, you'd be thrown out at the Polish-Belarusian border at Terespol. How you get back is your problem, just as when you are<span> allowed in.</span>