Answer: (conduction), liquids and gases (convection), and electromagnetical waves (radiation).
Explanation:
Because if the axis wasn't tilted the sun wouldn't shine on the top of the earth.
Answer:
The early kings ruled over only their own city-states. Lacking a centralized government and leader, the ancient region was prone to internal fighting among the kings for land and resources. As early as the 4th millennium BCE, ancient Mesopotamia covered the region that is now known as Iraq.
Explanation: