The best recommendation in the mentioned scenario would be a smart watch.
Answer: Option A.
Explanation:
The best device for a business owner who needs an access to chat as well as to be in touch with the home office would be a smart watch. A smart watch is similar to a mobile device, which is worn on a wrist and which has a touchscreen display.
The benefits of smart watch are numerous. It makes us updated about everything without using our smartphone. The smart watch will help the business owner to engage with others and to handle his work at the same time.
Computational thinking inclines invokes the techniques of decomposition, latter reconstruction, abstraction & algorithms development
2 + 3 + 4 = 9 so the value of result is also 9
The answer is D. Only student B is correct. Student A is incorrect because static electricity can be detected through the principle of electrostatic induction, which will indicate if there are static electricity on the surface of an object. A device which can detect static electricity is an electroscope. Moreover, for student B, it is correct that the cause for electric current to flow is the uniform flow of free electrons.