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How is the structure of digital field trips to the grand canyon different from that of to herp, or not to herp? digital field trips to the grand canyon uses a cause and effect structure to show how improvements in technology have affected field trips to the grand canyon, while to herp, or not to herp? uses a problem and solution structure to discuss issues with herping and planned and proposed solutions. digital field trips to the grand canyon uses a chronological structure to discuss how field trips to the grand canyon have changed over time and the improvements that have been made, while to herp, or not to herp? uses a cause and effect structure to discuss the human impact on the environment in arizona. digital field trips to the grand canyon uses a compare and contrast structure to show the similarities and differences between digital and physical field trips to the grand canyon, while to herp, or not to herp? uses a chronological structure to show how herping has evolved over time in arizona. digital field trips to the grand canyon uses a problem and solution structure to show how using digital field trips solved the problem of students not being able to physically visit the grand canyon, while to herp, or not to herp? uses a cause and effect structure to discuss the human impact on the environment.