It is already rounded just remove the zeros
The Great Recession was a global economic downturn that devastated world financial markets as well as the banking and real estate industries. The crisis led to increases in home mortgage foreclosures worldwide and caused millions of people to lose their life savings, their jobs and their homes.
I would say 6-8 sentences
The Air mass is a volume of air defined by the temperature and water vapor content. A front is the boundary between the two air masses.
High-pressure systems is characterized by relatively high surface pressures. Low pressure is associated in the overall ascent of air, cloud and stormy weather, strong winds, and relatively high humidity.
The Jet stream is the fast flowing air current that occurs in the atmosphere of Earth and the other planets. Global wind belt is formed by the Earth's spin and the unequal heating of the Earth's sunlight!