The plant debris of swamps turned gradually into coal after buried and heated. The sequence of coal formation is:
a. Bituminous Peat Lignite
b. Peat LigniteBituminous
c. Peat Bituminous Lignite
d. LignitePeatBituminous
Answer: b. Peat LigniteBituminous
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The axis of rotation of the Earth is inclined how many degrees away from being perpendicular to the sun's rays?
A) 23.5° B) 66.5° C) 45° D) 90°
When burning coal to generate electricity, installing carbon dioxide scrubbers is the least costly way to
implement carbon capture and sequestration. Indicate whether the statement is true or false.
The Ediacaran fauna of Australia includes many examples of organisms with hard shells and internal body parts
a. True b. False
The term _______________ refers to a surface marked by rubble and a clinker, and results from a Hawaiian basaltic lava flow
Fill in the blank with correct word.