Answer:
The correct answer is <u>conducting a controlled experiment.</u>
Answer:
It would be answer choice number 3 or C (Injured shoulders and upper and lower back)
Explanation:
This would be correct because bending at the waist and picking up large or heavy objects interferes with your spine and your shoulders. Regularly lifting this will give you problems in the future.
Answer:
A. Medication for ADD or ADHD
Explanation:
A. remove contaminants from people and equipment
decontamination: the process of cleaning an object or organism from contaminants and/or hazardous stuff/chemicals