Electric-charged particles traveling in space at a speed of several hundred km / s, if they reach the surface of the earth, can cause serious harm to animals. For what reason these particles do not reach the surface of the earth?

• A. Earth's magnetic force turns them towards the poles
• B. The ozone layer around the Earth reflects them into outer space.
• C. The humidity present in the upper layers of the atmosphere does not allow them to reach the earth's surface.
• D. neither of the above