Answer:
An Index is used to identify references, key words or paragraphs, abstracts so also articles from different sources.
Answer:
social bookmarking sites
Explanation:
Reddit, Digg and StumbleUpon are all Web sites dedicated to social bookmarking.
They fetch the contents from other Web sites and encourage their users to share their preferences on what they like and see all over the Internet with their friends.
They're not social networks per say because people aren't directly in contact with each other, only through their shared contents.
They're not tech blogs, because they rarely have any original contents and they're not targeting only technologies.
They're not video sites either, because they're sharing all kinds of contents.
Option D
Employers can't fire an entire union because of the difficulty of replacing every worker best explains reason for unions give workers more power in contract negotiations
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Explanation:</u></h3>
One of the numerous significant advantages of getting collectively with your co-workers to create a union is obtaining the accuracy and protection of a union contract. A union contract is a printed contract among the employer and the employees that describes the phases and advantages in a sinless and legally-binding way.
The ability to be capable to recommend policy reforms or raise problems with a company as a whole preferably of just practicing them alone to a manager. A contract is not deemed to be in force till the membership has voted to approve it.
The third option, Consumer Product Safety Commission is who would recall an unsafe toy that presents a choking hazard to young children.
CIA deals with other things. :) Food and drug administration has nothing to do with toys. Federal communications commission has to do with communication as the name itself says.
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