Inorganic molecules are composed of other elements. They can contain hydrogen or carbon, but if they have both, they are organic.
The answer is A I’m pretty sure lol
Answer:
Coal is layered because it is a type of sedimentary rock
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.
