What is AJAX? What are the main characteristics of this technology? What are the existing standards that AJAX is based on? Explain how AJAX works.

Howard is designing a chair swing ride. the swing ropes are 5 meters long, and in full swing they tilt in an angle of 29° outside chairs to be 2.75 m above the ground in full swing.

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

The head restraint should be adjusted so that it reaches a. the top of your ears b. the base of your skull c. the top of the head