because you run against the gravity from earth. that's why its easier to run down. its a kind of controlled falling ;)
Gravity.
top of a mountain
Wind is blowing air up over the mountain. Going from about 1,000 feet at the base to 7,000 feet at the top, the temperature changes as the air goes over the mountain.
I dont
sun
An advanced run. Difficult.
It was mostly mountain and river valleys.
It would be more difficult to drink with a straw on the top of a mountain because of low atmospheric pressure. You would not have as much pressure to push the drink up the straw.
What are the two mountain ranges that made land difficult to travel?
The closer you are to the edge of the atmosphere, the denser air gets. That's why mountain climbers find it difficult to breathe, as there is less oxygen in the air up there.
The answer depends on what causes the difficulty: the steepness or the distance which you have to run.
Yes you can have the Dino run theme song, Its called Monkey mountain by Mark DeNardo or you can get up to 2000 DNA on dino run and download it
Not only is gravity working against you on the way up, but also the air pressure is higher, so it takes more effort for your lungs to expand hence making breathing more difficult as you progress up the mountain.
Because in the mountain range there have lack of oxygen for our breathing
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Gravity.
Gravity.