Answer: The correct answer is A "How to safely handle chemicals during an investigation
Explanation: A direct instruction approach such as Hunter's Lesson design is an educative experience that is highly structured and repetitive. It teaches an individual to follow very clear and concise instructions to get things right the first time he/she is learning to do something new.
In this particular case, handling chemicals can be a dangerous activity in which a clear and direct instruction approach such as Hunter's Lesson Design can prevent accidents or mistakes.
The answer is A.
The 4th place should b right
The answer is: B. <span>negative reinforcer; positive reinforcer
Negative reinforcer refers to the type of stimulus that act as a punishment that discourage an individual from making a certain response/action.
Positive reinforcer on the other hand is a type of stimulus that act as a reward that encourage an individual to do a certain action.</span>
That person is Andrew Mellon.
The answer would be the third answer
