Here are a list of jobs that relate to the question I am asking: 1. Police Officer
2. Teacher
3. Firefighter
4. Custodian

Question:
Do people that work these jobs need to be qualified for their job? Explain your answer using relevant details and examples. Please answer in 3 - 4 complete sentences please!

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

The graph shows a demand curve. which most likely accounts for the changes shown on the demand curve?

When something is moving, it is in motion. pressing the gas pedal in a car will put the car in motion. two important properties of motion are speed and direction. speed is how fast an object is moving. tony and tanya both run for the same amount of time, in the same direction. tanya runs much further than tony in that time. how does tony's speed compare to tanya's speed? a) their speed is equal. b) tony is slower than tanya. c) tony is faster than tanya. d) without a stopwatch, you can't say for certain.