Question

correct the text by inserting four commas. (note: in this skill, serial commas are not optional.) our solar systems five dwarf planets are ceres pluto haumea makemake and eris.

Explanation:

To correct the text, we need to insert commas to separate the list of dwarf planets (Ceres, Pluto, Haumea, Makemake, and Eris) as per the requirement of using serial commas. We insert commas after each planet name except the last one before "and" (since serial commas are required here).

Answer:

Our solar system's five dwarf planets are Ceres, Pluto, Haumea, Makemake, and Eris.