You would like to search for information about storms but not tornadoes. What type of search strategy may be useful? a wild-card search
a Boolean search
entering keywords into many different search engines
searching for synonyms

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

Acetylene is a gas which burns rapidly on its own, and is considered highly explosive. a) true b) false

Ihave been given the number of guns per 100, and the total firearm-related deaths per 100,000. i have to find the actual number of guns per country and actual number of gun-related deaths. if somebody could show me how to do 1 question, i can finish the rest, i am just confused. tia