We can answer all your questions so that you have the healthiest humidity level in your home, office or classroom that will help ease your allergy and asthma symptoms. When the humidity level is too high, it can cause problems and the same can be said about a low humidity level.
What the earth layers are: RED â inner core ORANGE â outer core YELLOW â mantle BLACK â crust BLUE AND GREEN â land and water.
The outer core, one of the three layers of the Earth, is approximately 1,430 miles (2,300 kilometers) thick and between 7,200 and 9,000 F. According to National Geographic, the outer core is mostly composed of iron and nickel in a liquid alloy form.