The air strips at high altitude airports are longer than those at sea level. What would be the reason for this? Explain using scientific language.

The lower air density at high altitudes means that a faster air speed is need for a given amount of lift. In order to get the higher air speed, an airplane must accelerate for a longer amount of time, and thus a longer runway is required.

Explanation:

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multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).