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TOEFL
/
Listening practice
/ Section EULN
Listen to an Academic Talk
Listen to part of a talk in a palaeontology class.
Listen
27. Why does the speaker describe a graph showing a rise in the number of species?
A
To explain how fossils are dated
B
To show that two different things can produce the same graph
C
To recommend a better way of drawing diagrams
D
To argue that species numbers have generally risen