Answer:
D. Students don't have to begin repaying until they're done with school.
Answer:
<u><em>Problems </em></u>
Fraud, untrusty, Copyrights.
<u><em>Profit from Social Media
</em></u>
With advertising, and selling data bases.
<u><em>Privacy
</em></u>
It is really hard but it is possible to maintain a great deal of information private if the user goes to the privacy policy in each social media and configurates it in a way that the data is not shared with the company.
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B. An airline
An airline is a service organization.
Productivity is defined by the formula of outputs divided by inputs for a specified period of time.
In advertising, a product is an object, system, or carrier made available for customer use in keeping with patron demand; it's miles anything that can be provided to a market to fulfill the choice or want of a patron.
A product is an item provided for sale. A product may be a provider or an item. it can be bodily or digital or cyber form. each product is made at a cost and each is offered at a fee. The rate that may be charged depends available on the market, the best, the advertising, and the section this is targeted.
There are 4 styles of products and each is classed based totally on client habits, charge, and product characteristics: comfort goods, shopping items, area of expertise merchandise, and unsought items.
Learn more about the product here:-brainly.com/question/25528419
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