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6. What is the lecture mainly about?CorrectIncorrect
7. Why does the professor say this:CorrectIncorrect
8. Listen again to part of the discussion. Then answer the question.
Why does the professor say this:<img src="http://d1d9l8agzkm7wi.cloudfront.net/wp-content/uploads/2016/08/23200604/Screen-Shot-2016-08-23-at-12.05.47.png" alt="headphones – DELTA TOEFL IBT PDF – Digitized" width="34" height="32" class="alignnone size-full wp-image-4276" /CorrectIncorrect
9. Listen again to part of the discussion. Then answer the question.
What does the professor imply when he says this:CorrectIncorrect
10. What does the professor say about a method of data collection that uses a camera?CorrectIncorrect
11. According to the professor, how will color data about forests be useful to researchers?CorrectIncorrect