Question

correct the text by inserting two commas. (note: in this skill, serial commas are not optional.) , where do you think you could survive the longest: mercury venus or mars? submit

Explanation:

To correct the text, we need to insert commas to separate the items in the series (Mercury, Venus, or Mars) as serial commas are required. So we add commas after "Mercury" and after "Venus".

Answer:

Where do you think you could survive the longest: Mercury, Venus, or Mars?