Question

4) The bituminous coal contains ______
% of carbon.
a) less than 60 b) 70 to 90
c) 22
d) 40​

Answer 1

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A) less than 60

Answer 2

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The bituminous coal contains ______ % of carbon.

a) less than 60 (✔)

b) 70 to 90

c) 22

d) 40