When you present an online speech, it's important to talk directly to the computer screen because that's where the camera is located. 

Speakers are advised to follow the basic rules of good posture, such as putting hands in

pockets or clasping them behind their back, and leaning casually on a desk or lectern. Indicate whether the statement is true or false

Cultures are usually stable, with very little change over time

Indicate whether the statement is true or false