Answer: <u>d. Friends</u>
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I say its d because they are of different race so I don't think thy are a family. Its not online bceause they are next to each other in person. TThey could either be coworkers or friends though why are they all hugging each other. They seem too close to be coworkers so I say friends.
Communications technology such as smartphones and sensors can help by improving transportation in the future by booking tickets in mobile phones, one can travel without knowing the route from one place to another place by using maps through the smartphones.
<u>Explanation:</u>
<u> SENSORS:</u>
- Information communicative technologies have grown rising attention and value in advanced transport systems.
- Automotive manufacturers are improving in-vehicle sensors and their applicability in various areas including safety, and traffic management.
<u>SMART PHONES:</u>
- Mobile technology is a kind of technology that is often used in a cellular communication system and other similar aspects like smartphones.
- Mobile phone technology is quickly developing over the years and gradually replacing some related products in the market. Smartphones play a major part in transportation.
