Examlex
After reaching its peak luminosity in hours or days, a nova declines in brightness over a periodof a few ________ before returning to its pre-explosion luminosity.
Competitors
Entities or individuals engaged in a commercial contest or rivalry, vying for the same market share or customer base.
Market Share
The percentage of an industry's sales that a particular company controls.
Substitutable Products
Goods or services that can serve as replacements for each other; demand for one increases when the price of the other increases.
Sold
The past tense of sell, indicating that an item or service has been exchanged for money or its equivalent.
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