Question

the term pangaea was first used by alfred wegener. which theory did he propose? continental drift floating continent hyper continent continental shelf

Explanation:

Alfred Wegener proposed the continental drift theory, which suggests that continents were once a single supercontinent (Pangaea) and have since drifted apart. The other options are incorrect: "floating continent" and "hyper continent" are not scientific theories he proposed, and "continental shelf" refers to a different geological feature.

Answer:

A. continental drift