Ethics and Skepticism are integral to science because they are the basis for the need to lay explanations on various fields of science through experiment. This will enable science bring the right data and arguments through scientific methods in an accurate and a straight forward manner.
Hope this helped have an awesome day :)
Option 4 seems to be the one undergoing a chemical change because there is a formation gas from the bubbling that occurs. Chemical change is the change that results to the formation of a new substance. The other options given are examples of physical change.
Answer:
How cryolite is added to the electrolytic cell which is used to extract aluminium is that molten cyrolite dissolves the aluminium oxide, which is used for a lower temperature point than aluminium to extract it :3
Explanation:
:3
