5ways to prevent your system from malicious attack

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging

How are we able to create photographs differently than 100 years ago? explain your answer in relation to your photograph you selected.

Why do we mark tlc plates with pencil and not with pen