Answer:
positive bc you can learn from them wwhat to do what not to do mistakes that you wont make in. real life
Czarnowski and Triantafyllou learned that boat propellers are not very efficient, except penguin propulsion systems.
Record our dream.
Since it is from the future and advanced, it is invalid to argue back that the wish to record our dreams cannot be fulfilled.
From here you can elaborate more ...
The answer is that it is to perform specific operations for various applications. These functions include writing reports, creating spreadsheets, manipulating images, keeping records and developing websites and calculating expenses.
