I'm not sure, but maybe burning point...
Carbon discovered in Prehistoric times.. Discoverer will probably never be known
The decrease in velocity is called deceleration or negative acceleration.
Hope i helped... If you need anything else ask me! :)
Answer:
Both are chemical changes.
Explanation:
They are chemical changes because when when you melt the sugar to make caramel a new substance is formed. The same with cookies. You don't start out with cookies, you start out with dough. And then when you cook the dough a new substance is formed which is the cookies.
