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In a discovery in the Canadian province of New Brunswick, the earliest known plants to have grown wood find. What is its age estimated ?

395 to 400 million years
595 to 600 million years
695 to 700 million years
795 to 800 million years


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The first vehicle powered by wood gas was built by Thomas Hugh Parker in ?

1900
1902
1901
1989


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_________ are a medium-sized solid material made by cutting, or chipping, larger pieces of wood.

Wood pieces
Wood chips
Pellet fuel
Wood pulp


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In a 2012 report, the Biomass Energy Resource Center says that it expects wood pellet production in North America to double again in the next ?

4 years
3 years
5 years
7 years


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Pellets can be made from ?

Walnut
Any wood variety
Mahogany
Rosewood


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What is the estimation of tree growth per year ?

10 billion tonnes
20 billion tonnes
30 billion tonnes
40 billion tonnes


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Wood a natural composite of which fibers ?

Reagent
cellulose
Epoxides
oxide


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Latewood of a growth ring is usually ___________ than the earlywood.

Heavier in weight
Darker in color
Less in number
Lighter in weight


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NBA courts have been traditionally made out of ?

Sapwood
Hardwood
Earlywood
Latewood


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In the metric system, firewood is normally sold by ?

Cubic metre
Square metre
Cubic centimeter
Square centimeter


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