Question

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)

Answer 1

Answer:

im not sure what this means

Step-by-step explanation:

Answer 2

Answer:

5.6 kilometers  gradpoint

Step-by-step explanation:

i took the test