First of all it's easier to filter the water than to go spend $500 to get a glass of water from Canadaand sometimes you just need to use what you had we don't need to be spending so much money on something we don't have that we don't really needand we have water filters we need to use them we are not relying on streams and things like that to live now so just use a water filter that you have at your house or maybe one of your friends have one
<span>hydrosphere should be yor answer</span>
Tornado activity is monitored mostly by the
<span>Storm Prediction Center and the National Climatic Data Center.
Hope that helps!</span>
...asteroids and comets. Planets formed much later.