A pitcher’s arm during a pitch is considered a/an

Performing a needs analysis is:

What can be used to monitor the impact of ventilation and identify possible ventilation locations?

Which type of ventilation requires no additional personnel or equipment to set up and maintain?

Which air movement equipment is used for hydraulic ventilation?

Which domain contains organisms that have membrane-bound organelles?

What is the purpose of repeating an experiment multiple times?

Which characteristic is unique to the kingdom Animalia?

Which of the following is an example of an organism interacting with its environment?

Which of the following is an example of a testable hypothesis?