Questions 41–42 of 42. Imported answers require independent review unless marked reviewed.

Topic practice 42 questionsPage 5 of 5

Question 48

Open question
GG-1MCQ2 marksNeeds review
Which one of the following biopolymers is the major source of liquid hydrocarbons?
Your answerChoose one option.

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Question 53

Open question
GG-1NAT2 marksNeeds review
The average assay (

) and area of influence (

) of a placer gold deposit of uniform thickness sampled at four locations W, X, Y and Z are given below. The weighted average assay of the ore body is __________ g/t.
Diagram for Geology and Geophysics question 53


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