Variables can be useful because they hold a certain number/data value that can easily be accessed and changed. For example, in a game, a players score is a variable that changes as the player gets more points; ie coins, items, etc.
The best line to be added to the teacher’s lesson plan, which is supposed to emphasize the benefits of global communication, would be (D) learning in a global community enables you to expand your horizons and learn new languages.
The other options are not suitable because they highlight the negative side of global communications, which is not something that the teacher’s lesson intends to do.
Answer:
can you show the picture??
It allow us to monitor and study our environment to better understand how it works and the impact of our actions on it and It allows for paperless communication like email and online bill paying to reduce the amount of trees cut down
