This line-segment is called AB. It may also be called BA. Line BA is the same as line AB. Both pass through the same two points A and B.
A because 60 divided by 20 is 3 so it is going through 3 stages of half life. 40/2=20 which is one half life then 20/2=10 which is the second half life then 10/2=5 which is the 3rd and final half life
The media's ability to determine what people know about their government is called selection bias (A).
Selection bias is the result of a medium's abiliy to restrict how much or which data it considers and publishes. The information released to the public is therefore biased in the sense that since it lacks randomization and variety, the subject of the information (in this case, the government) is not depicted in a representative way.
By calculating the number of seconds between the sound of the thunder and flash of the lightening.
