The use of a wrench to remove a tight nut is being discussed.
technician a says an open-end wrench provides better contact between the fastener and the wrench.
technician b says the box-end wrench is a better choice.
who is correct?
a. a only
b. b only
c. both a and b
d. neither a nor b

What is an example of a good stock to buy in a recession? a) cyclical stock b) defensive stock c) income stock d) bond

Vendors provide restaurants with what? o a. cooked items ob. raw materials oc. furniture od. menu recipes

Google started as one of many internet search engines, amazon started as an online book seller, and ebay began as a site where people could sell used personal items in auctions. these firms have grown to be so large and dominant that they are facing antitrust scrutiny from competition regulators in the us and elsewhere. did these online giants grow by fairly beating competition, or did they use unfair advantages? are there any clouds on the horizon for these firms -- could they face diseconomies of scale or diseconomies of scope as they continue to grow? if so, what factors may limit their continued growth?