Which change is a direct result of the diffusion of popular American chain restaurants throughout the world?

Plz help me asp

Exactly what kind of weather conditions would a cold front produce?

What weather system might be occurring if the pressure gradient decreases and fish harvests in peru are weaker than normal

In which layer of the atmosphere are the particles so far apart that they can travel hundreds of kilometers without colliding with each other? a. exosphere b. troposphere c. mesosphere d. thermosphere