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Question 1
What is the lecture mainly about?
Question 2
How has the professor mainly organized her lecture?
Question 3
Mother Nature has produced thousands of species of edible plants. Which of the following plants would probably NOT be feasible for dry land farming?
Question 4
Which population lived for years surviving on dry land farming?
Question 5
In which case can dry land farming NOT save the year’s crops?
Question 6
What does the teacher mean with the phrase ‘you can’t make a silk purse out of a sow’s ear?