The answer is A
Answers B, C, and D are mentioned on the website, but answer A isn't mentioned
Post-industrial agriculture and modern industrial
There are two main processes<span> of </span>glacial erosion<span>. The first that we will talk about is plucking, which is defined as the </span>erosion<span> and transport of large chunks of rocks. As a </span>glacier<span> moves over the landscape, water melts below the </span>glacier<span> and seeps into cracks within the underlying bedrock.</span>