Answer:There is no change in identity of the substance and we can visually see a substance being drawn into wires. Hence ductility is not a chemical property, it is a physical property. Some examples of ductile materials, include metals such as copper, aluminium, silver, gold, etc.
Explanation:
Answer:
A log burning to ashes is a chemical change.
Explanation:
Answer:
created or destroyed
Explanation:
The law of conservation of mass tells us that during a chemical reaction, matter is neither created or destroyed; it can change from one form to another but there will be no gain or loss of mass.
Answer:
Eating sugar also causes the release of chemical messengers like dopamine, a neurochemical that motivates us to search for food. At the same time, too much sugar can block the production of serotonin, a brain chemical that normally reigns in dopamine and prevents us from overeating.
Explanation:
Not sure but I think the second one
