The highest tornade speed recorded was 302 MPH.
Salt water is a homogeneous mixture or a solution.
This is due to the amount of infrastructure in the city. All that metal holds heat making inside the city hotter than outside the city.
Many factors have contributed to increase in life expectancy. Examples such as medical advancements in modern medicine, less wars being fought, improvement in sanitation, eating a healthy diet, a overall healthier lifestyle (for example, people don’t smoke cigarettes as much as the olden days) and easier access to education.
The Earth's true shape is called: A Oblate Spheroid. It might just look like a regular circle, but it's not. It's actually a Oblate Spheroid.
I know this because I did some research online.
Hope I helped!
- Debbie