Which sentence is an example of a run-on sentence?
Food is scarce for birds in the winter you can help by feeding them
Food is scarce for birds in the winter. You can help by feeding them
Food is scarce for birds in the winter, you can help by feeding them
Food is scarce for birds in the winter, but you can help by feeding them

"Food is scarce for birds in the winter you can help by feeding them"

Explanation:

This is a run on sentence! There are two complete thoughts being combined which requires a comma.

"Food is scarce for birds in the winter you can help by feeding them"

Explanation:

There are two thoughts combined that can be made into a compound sentence or two separate sentences.  

in the spreadsheet, click on a cell, then type the numbers or text you want and press enter or tab. to write data to a new line within a cell, press alt + enter. to enter the same data in several cells at the same time you must select the cells in which you want to enter the same data, in the active cell write the data and press ctrl + enter.