Why do jet engines have to be made of alloys?
2. What caused the two Comet crashes of 19...
Why do jet engines have to be made of alloys?
2. What caused the two Comet crashes of 1954?
3. What advantages do turbine engines have over reciprocating engines?
4. What is distinctive about the Boeing 747 that makes it easy to spot?
5. What factors ended the Concorde program?
6. What changes did the jet era bring to airports?
7. What one big advantage do jet planes offer passengers?
8. What are some design features aircraft of the future may include?
9. How long would it take to fly from New York to London in a hypersonic aircraft?
How would widespread supersonic air travel change the world?
What would be some good consequences, and what would be some bad ones?
Answers: 1
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All of the following effects occurred as a result of roman expansion following the punic wars except it brought in great wealth from conquered territories it allowed many romans to buy large farming estates it provided slave labor for the large farming estates it caused the roman economy to decline due to the high cost of war
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How did the united states surprise other delegates at the washington naval conference in 1921
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Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earthโs surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.
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