Answer:
Answer in the below
Explanation:
Redo means the previous one and undo means removing it... i am not so sure..
Based on the given description above, the planet that is being described would be planet EARTH. It is the only planet where humans can walk without the aid of a space suit, and the only planet that can provide humans the necessary oxygen to survive. Hope this answers that question.
Answer:
columns
Explanation:
columns refers to the vertical groupings of cells in PowerPoint table