Answer:
Activating a glow stick is the example of a chemical change, as snapping one will cause a chemical reaction, causing the glow. All of the other options are physical changes because nothing new is formed. Hope this helps!
It will probably turned into a gumy
Answer:
temporary changes are the changes which are there only for a short period if time.
Explanation:
generally temporary changes are reversible. permanent changes are the changes which remain for a longer time and are not reversible
Density
=mass÷volume
=277÷38
=7.29 g/cm3
Answer:
B. A chemist
<em>Hope it's help :)</em>
