Alcohol is a pure substance
Answer:
well we do need up to explain the neergyu field on the world you probaly think im spamming but i thing you need up
Explanation:
They should identify the confounding variable.
Some condition that is not examined by the scientist might alter the experiment result. That condition is called confounding variable. If the method of the experiment same but result is very different, there should be unidentified confounding variable. It could be air humidity, temperature, ventilation, light, time of the year or anything that might not be seen by naked eye.
Try to redo the experiment with controlling variable as much as possible.
Can you put this in english
Is it the dry lab/wet lab week 1 or ?
