Which of the following type of software application would open a txt file

What are the advantages of google cloud ?

When is an original work considered public domain? a. when posted via social media b. when it is posted on the internet c. when a copyright symbol is not included with the piece of work d. when explicit permission is given by the author / owner

Amedian in the road will be marked with a white sign that has a black arrow going to the left of the median. true false