[Answer] How have airplanes changed the way the world does business? Check all that apply.

Answer: a. by making long trips less expensiveb. by making long trips in less timec. by opening up new trade marketse. by increasing travel options
How have airplanes changed the way the world does business? Check all that apply.

The COVID-19 pandemic has had a significant impact on the aviation industry due to travel restrictions and a slump in demand among travellers.. Significant reductions in passenger numbers have resulted in flights being cancelled or planes flying empty between airports which in turn massively reduced revenues for airlines and forced many airlines to lay off employees or declare bankruptcy.

Like other emissions resulting from fossil fuel combustion aircraft engines produce gases noise and particulates raising environmental concerns over their global impact and their local air quality effect. Jet airliners contribute to climate change by emitting carbon dioxide (CO 2) the best understood greenhouse gas and with less scientific understanding nitrogen oxides contrails and …

Aviation safety means the state of an aviation system or organization in which risks associated with aviation activities related to or in direct support of the operation of aircraft are reduced and controlled to an acceptable level. It encompasses the theory practice investigation and categorization of flight failures and the prevention of such failures through regulation educatio…

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