Question

Which type of coal has the lowest rank based on its heating capacity?
Question 4 options:

A)

Bituminous

B)

Lignite

C)

Anthracite

D)

Subbituminous

Answers

GPT-4o mini
The type of coal with the lowest rank based on its heating capacity is:

**B) Lignite**

Lignite is often referred to as brown coal and has the lowest carbon content and heating value compared to the other coal types listed.

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