This statement is (b.) false. A canal across the Isthmus of Panama, the Panama Canal, is not longer than the Suez Canal. The Panama Canal is 48 miles long while the Suez Canal is 120 miles long (it was 102 miles long when first built on 1869)
Jet streams are bands of strong wind that generally blow from west to east all across the globe. They impact weather, air travel and many other things that take place in our atmosphere.