Answer: Super cell thunderstorm
Explanation: When cold and warm air masses collides with each other, balancing the total air mass, then this condition is called the stationary front. This front often creates heavy flooding occurring in a particular region with heavy thunderstorm, which is known as the super cell thunderstorm.
Super cell thunderstorm are enormous, destructive storms which are formed due to the instability in the air masses, moisture content in the air masses, wind speed as well as lifting mechanism of the air mass. It is the strongest of all the thunderstorm types.
The ring of fire in is the pacific rims region
Mobutu enriched himself by misusing borrowed money. (Gradpoint)
The quote states that we should be using solar energy before our limited amount of naturally occurring oil and coal runs out. Meaning; we should be proactively working towards solar power rather than to wait for our resource to run out to start.