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Why does most of the solar wind reach earth?
The solar wind emanates from the Sun and goes out past the orbits of the outermost planets, impinging on all the planets as it does so. The vacuum of space does not slow these ionized particles. However, where a planet has a magnetic field (such as the Earth), this protects the planet from the effects of the solar wind by deflecting the charged particles. Thus the solar wind does not reach the surface of the Earth.
What is a mantelpiece?
A piace of wood or stone that goes over a fire place.
What instrument measures your heart beat when you go for a run?
A heartrate monitor. Many of them come with a strap that goes along the chest.
How much force per square foot does a 100 MPH wind produce?
The force per square foot that a 100 mile per hour wind produces is about 65 pounds. The force goes down almost exponentially from there.
Name something a firefighter might do just before he goes to fight a fire?
Put on uniform Pray Put their gear on.
