Examlex
in the following graph of a pulsar's motion in a binary from 0 to 2.5 hours, the radial velocity represents how fast the compact object is traveling away from Earth.
Utility Company
A company that provides essential services such as electricity, water, and natural gas to consumers and businesses.
Grocery Store
A retail establishment selling food and other household goods. Often considered an essential service providing everyday necessities to the public.
External Cost
Costs of a transaction or activity that affect parties who did not choose to incur that cost, often referred to in the context of negative externalities in environmental economics.
Postal Worker
An employee of the postal service who is involved in the processing, delivery, or handling of mail.
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