<span>David utilized his speech to maintain his audience is by story telling. Because he started his informative speech about "How to give the Heimlich maneuver" by retelling how his younger's brother life was saved by him when his brother accidentally choked on a gum. The audience in return was fascinated and interested into what happened next.</span>
Answer:
a letter written by a person who is describing a current event
Explanation:
A primary source is a document from the time period of the event.
While most of these could be considered one, you have to do a process of elimination.
A scholarly article about an old event isn't a primary source, so it's not that.
An interview with a reporter who wrote about a current event is not a primary source because it is not the original document from the reporter.
A student's report about an event that occurred during her lifetime is a primary source, but it is not the best example.
When the body is given weakened/dead pathogenic material this helps build up an immune system towards the actual live infection. It prepares the body for the infection so that the person does not get sick.
That statement is False.
If the researcher is using random sampling, All subjects that chosen for the study had equal responsibility of being chosen
When the researcher determines that the amount of female and male subjects, must be the same, the research no longer has the equal opportunity for all the test subjects to be chosen.
