Which of the following prevents us from accidents while doing experiments? [ 1 Mark ] Conclusion Precaution Observation Procedure

Which of the protective measures shall be implemented to prevent safety accidents that may occur during the experiment or practice of those involved in research activities? All research workers should wear shoes covering the end of their toes during the experiment. Clean lab cot should be worn at all times during experiment. Appropriate personal protective equipment should be put on in the laboratory. Keep long hair back while conducting a experiment

Which of the following procedures is not applicable in investigating an accident in the laboratory?*1 pointInvestigation into the accident.Ensure the safety of others in the vicinity.Do not provide the injured person with professional medical attention.Stabilize the situation

a) List three safety precautions that should be taken while performing a chemistry experiment in the laboratory.b) Design a simple experiment to demonstrate the process of water purification.

Which of the following is an important advantage of experiments over observational studies? Check all that apply. Ensuring that each subject in the trial receives the best possible treatment Isolating the effects of a specific treatment Guaranteeing that approximately the same number of subjects is assigned to each treatment group Controlling for lurking variables to have a stronger case for causation

The validity of scientific observations is threatened byQuestion 2Answera.reactivity.b.delimiting the choice of behaviors to observe.c.errors of observation.d.all of the these.