Eratosthenes lived in Alexandria of Egypt in BC 240.. He found out the diameter of Earth thorough geometry and mathematics. Hope this helps .. :)
Sand can be trucked in from other sources and filtered for sediments to eventually make way into the air and water. They can also build seawalls, revetments, and jetties along the shoreline. :)
Answer:
a el nino happened in the Pacific so that would have to be the answer
The correct answers are:
- Traditional;
- Market;
- Traditional;
- Command;
- Market;
- Command;
- Market;
- Command;
The traditional type of economy is an economy that is not willing of change, it keeps the things safe and usually without any risks, in order to maintain what they already have, so the progress is pretty slow.
The market economy is the most dynamic one, and it is an economy with free markets, lots of risks, and lots of opportunities, thus it is the one that has the most rapid changes, be it upwards or downwards.
The command economy is typical for the socialist systems. It is an economy where pretty much everything is organized, planned, and enforced by the government, and it is an economy that is orientating towards self-sustaining.