During many cellular reactions, energy changes are due to the movement of electrons (molecules either gain or lose electrons). A molecule that gains an electron is reduced, meaning that there has been a reduction in its positive charge. This gain in electrons is termed reduction.
Closest Airport. LaGuardia Airport â located just 3 miles from the Billie Jean Tennis Center, this is the closest airport to the US Open. However, depending on where you stay it may be wise to fly through Newark Airport (25 miles) or John F. Kennedy International Airport (10 miles).
(Denver, Colorado - CO, USA) 1  Standing on an enormous site measuring in at more than 50 square miles / 130 square kilometres, Denver International Airport (DEN) is the biggest airport in the whole of the USA and is served by many domestic and international airlines, which in total number just over 20 different passenger airlines.