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.
outer core. (geology). The outer or upper zone of the earth's core, extending to a depth of 3160 miles (5100 kilometers), and including the transition zone. 1  Facebook.