Air is a homogeneous mixture.
Heterogeneous mixture means that the components are not evenly distributed, just like a mixture of sand and water where we can identify the individual components visually.
d. they allowed businesses to ship manafactured goods to markets in distant locations
C. To inform. Hope this helps :)
I just answered a different question of yours with an explanation, but the answer is, "cat."
Answer: "AC has distinct advantages over DC, so AC won the War of the currents."
