Which two types of air masses would likely form a subtropical jet stream? A. Warm and cool air masses meeting near the North Pole
B. Cool and warm air masses meeting near the equator
C. Multiple warm air masses meeting near the equator
D. Two or more cool air masses meeting near the South Pole

c

Explanation:

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.