The Keystone XL pipeline .
A) carries petroleum from northern Alaska to the Gulf of Alaska
B) carries natural gas from gas fields near Keystone, South Dakota, to the eastern US
C) is a hotly debated pipeline that would carry petroleum from Canada to the southern US
D) is a hotly debated oil pipeline that would pass through Montana, Idaho, Utah, Nevada and Arizona
E) would allow Canada to import more oil from Brazil

As he explores his options, sergio notices that some opportunities appear to be riskier than others. when considering various opportunities, sergio should keep in mind that:

Arestaurant that creates a new type of sandwich is using (blank) as a method of competition.

The owner of firewood to go is considering buying a hydraulic wood splitter which sells for $50,000. he figures it will cost an additional $100 per cord to purchase and split wood with this machine, while he can sell each cord of split wood for $125. if, for this machine, design capacity is 50 cords per day, effective capacity is 40 cords per day, and actual output is expected to be 32 cords per day, what would be its efficiency?