The name of the supercontinent that was once made up of all of Earth's current continents is D - Pangaea.
The correct answer is D - Pangea. Pangea was a supercontinent that existed around 300 million years ago. To arrive at this answer, you can use several strategies. First, you can rely on prior knowledge if you are familiar with the concept of supercontinents. Alternatively, you can use deductive reasoning by eliminating the other options and determining that Pangea is the most suitable answer. Lastly, you can conduct a web search using keywords such as "supercontinent made up of all current continents" or "ancient supercontinent." This will help you find sources that confirm the correct answer.
