The author states that offshore canyons and guyots have which of the following characteristics inĐoạn văn34/88The author states that offshore canyons and guyots have which of the following characteristics in common?Both are found on the ocean floor near continental shelves. Both present oceanographers with a mystery. Both were formed by volcanic activity. Both were, at one time, above the surface of the sea.Giải thíchChọn B