What can be inferred about the author from the information in paragraphs 9–10?
The author is filled with trepidation when faced with the task of mapping his way across the
glaciers.
The author relies on information he has learned from guides and books when making decisions.
The author is filled with awe and wonder when he sees the beauty of the layers of the glaciers.
The author relies on both scientific information and his own expert instincts when making
decisions.