DW Tomorrow Today February 10, 2020
it also fills much of our body. we couldn't live without it it serves a whole range of vital functions. arise vegetation is trending plants clean and cool the air but how do you water the garden and the sky. cosmic radiation from space is something else it's all over the place and it's heading for us all the time luckily earth's atmosphere shields us from a lot of it. how much of it reaches the ground depends on the elevation. near sea level as in hamburg it's not so much it's a lot more in mexico city at over 2000 meters and it really goes up on mount everest and in the plains up in...