Question

identical rock types, identical fossils, and very similar mountain ranges are found on different continents separated by a wide ocean. which of these best explains these observations?
a organisms traveled between these continents on land bridges.
b the same forces erode mountains in different locations.
c these continents were joined together at some point in the past.
d some rock types are very common and are found everywhere.

Explanation:

The observations of matching rock types, fossils, and mountain ranges across ocean-separated continents are best explained by the idea that the continents were once connected. Land bridges do not account for matching mountain ranges, identical erosion forces don't explain matching fossils/rocks, and common rock types don't explain the specific combination of all three features together. This aligns with the continental drift theory.

Answer:

C. These continents were joined together at in the past.