The same thing as if the earth's axis of rotation were not tilted, wich is the seasons would be completely backwards and who knows it might even cause a new season
Make into improper fractions. Then make the denominators the same by finding the denominations' lowest common factor.
Answer:
B) a chemical change .
Explanation:
There will be no chemical reaction when the gases ammonia and carbon dioxide are mixed together . But when there is presence of ammonium hydroxide , chemical reaction takes place between carbon dioxide and ammonium hydroxide resulting into the formation of ammonium carbonate as follows
2NH₄OH + CO₂ =( NH₄)₂CO₃ + H₂O.
The growth of white crystals inside the bottle indicates the presence of ammonium carbonate .
So it is a chemical change .