One mechanism is; when the atoms of various metals are heated as in fireworks, the electrons are bumped into higher (energy) shells (orbits). When they (electrons) fall back into their normal shell they emit light of certain colors (frequency).
Tea & Fireworks
Chemical and Mechanical
Gun powder was the main active ingredient.
Disneyland
In ancient China, where fireworks were invented during the 7th century, they were used for celebrations. That tradition carried over to other cultures and is still the main reason for fireworks being used today.
The main mechanism of adaptive change is natural selection. There are other mechanisms of evolution though Google ' mechanisms of evolution. '
the main colour of amoeba is blue
Yes. Sulfur is used in A LOT of fireworks. I would even say MOST fireworks contain at least a little sulfur because it is one of the main ingredients of black powder.
Yes, It is but its not a main colour
grey
red
B cell mechanisms are classified into two main categories: antibody production and antigen presentation. B cells are primarily responsible for producing antibodies that target specific antigens for removal from the body. Additionally, B cells can present antigens to T cells to initiate a more targeted immune response.