Answer:
6 columns/items
Explanation:
<em>grid</em> starts off as an empty list ( [ ] ), so right now it has 0 items/columns.
After that, 3 new items ("frog", "cat", "hedgehog") have been appended to <em>grid</em>, it now has 3 items
Finally another 3 items are appended to <em>grid ("fish", "emu", "rooster"</em>), finally <em>grid</em> ends up with 6 items in total.
Answer: A) Battery backup
Explanation:
A battery backup are used to provide the source of power backup to various hardware components and desktop computers. In many cases, the devices are plugged into UPS ( uninterruptible power supply) for backup power and it is also depend upon the size of the UPS.
All the battery backups are located inside so that is why, the devices are heavy in weight. Usually, the battery backup front required additional button for performing various functions.
And the battery backup devices are manufacture by using the varying degree of backup abilities.
The flashing yellow light indicates that people should be aware of other cars and turn carefully. To be more safe, you should slightly slow down, make sure all signals that should be on are on, and you should drive very carefully.
I believe the correct answer from the choices listed above is option D. <span>When planning the structure of a spreadsheet, columns are for group items and rows are for single items. Hope this answers the question. Have a nice day.</span>