When investigating digestion in the mouth using bread and iodine solution, which safety precaution is most important?
1 )
Wearing gloves to prevent bread particles from touching your skin
2 )
Ensuring the bread is thoroughly cooked before the experiment
Avoiding tasting or swallowing iodine as it is harmful
4 )
Conducting the experiment in a well-ventilated area to avoid inhaling bread particles
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...