1- X-Ray Telescope
2- Optical Telescope
3- Radio Telescope
<span>4- Gamma Ray Telescope
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<span>3. digging irrigation canals.
Sumerians lived in present day Iraq which is mostly desert. Being arid with periods of rain, the region of Sumeria was difficult to cultivate crops. The Sumerians used a system of canals and gates to create watered plains with flooding and then closed them off during growing seasons. </span>
The Greeks had a polytheistic religion. They had these stranger gods that were created to explain supernatural events. Things like the god of war, nature, sea, or fire. They had religious offerings toward the gods. The people built colosseums and altars just for the individual gods. They also believed the gods punished them for so and so. The Romans adapted similar gods and almost had the same religion as Greeks.
