When you heat air it expands. When air expands it becomes less dense than the air around it, in turn making it rise.
Hope that helped
Answer:
O A couple love each other and live together without getting married
Explanation:
Reconstruction is largely seen as a failure, and many historians believe this was primarily because the South for so long had been dependent on slaves that in one swift motion the South's entire livelihood shifted. This dramatic shift was too much for the Southerners to absorb at once, and harsh Jim Crow laws sprang up.
B - Most Australians work in urban areas
this is the only logical one
answer
The Constitution specifically grants Congress its most important power — the authority to make laws. ... These include the power to declare war, coin money, raise an army and navy, regulate commerce, establish rules of immigration and naturalization, and establish the federal courts and their jurisdictions.