Jet Planes Avoid Bad Weather by Flying Above It in the

question 45

Multiple Choice

Jet planes avoid bad weather by flying above it in the

• A) stratosphere.
• B) troposphere.
• C) mesosphere.
• D) thermosphere.

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Definitions:

Quenching

A heat treatment process used to harden or soften metal by heating it and then rapidly cooling it.

Assembly Line

A manufacturing process in which parts are added to a product in a sequential manner to create a finished product more efficiently.

Dispatch

The sending off of a message, parcel, or shipment with speed and efficiency.

Diminishing Marginal Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, starts to decrease.