Question Text
Question 6 :
Lumberjacks who transport the logs to the mills or factories are called _____________.
Question 7 :
The people who are engaged in lumbering activities are called _____________.
Question 9 :
What percent of the petroleum production of the world is produced in North America?
Question 10 :
The prairies are bound by the _______ in the West and the _______ in the East.
Question 11 :
Ebony, mahagony, rubber and cedar are the trees of which forest?
Question 13 :
The trees to be felled in lumbering are selected by ____________.
Question 18 :
Most of the original grasslands of North America have now been turned into ________.
Question 19 :
The Mississippi Ohio waterway connects the interior parts of the USA with _______.
