Fifty percent of the gases making up the atmosphere are found below ________. 10 miles (16.2 km) 6 â½ miles (10.4 km) 3 â½ miles (5.6 km) 8 miles (12.8 km)

Respuesta :

Answer:

im not sure what this means

Step-by-step explanation:

Answer:

5.6 kilometers  gradpoint

Step-by-step explanation:

i took the test

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