The law of increasing opportunity costs requires greater of one good in order to produce of another good.

a. energy; as much
b. effort; less
c. sacrifices; more

What are procedures that keep a data base current

Select the correct answer. a company wants to use online methods to target more customers. it decides to conduct a market research by collecting the data of a few customers with their consent. they want to track data of the sites that their customers frequently visit. which software can the company? a. spyware b. bots c. adware d. trojan horse e. rootkits

What is one reason why indoor air pollution has become an increasing problem.