A democracy where the citizens don't rule directly (such as in Switzerland, through referendums) is representative democracy, as opposed to a direct democracy.
monthly mortgage payments are more expensive than rent
The wheel, plow, and writing (a system which we call cuneiform) are examples of their achievements. The farmers in Sumer created levees to hold back the floods from their fields and cut canals to channel river water to the fields. The use of levees and canals is called irrigation, another Sumerian invention.
Answer: Usually in a traditional crime scene you can move through the process slowly. When working in a deployment zone/ hot zone you have a very little time, just minutes, to get in, collect all the evidence and move out of the scene quickly and safely. They are also limited in equipment along with vehicle/ transportation and safety.
The Speaker of the House would begin presidency.