Yes,because chemistry help us to encourage the invention??
Health is more important for a human being, to lead a normal life.
yes,chemistry needed to study health.
The singular form for the reflexive pronoun is yourself.
aw
After my opinion it is not true: if you are good at mathematics you must be good at chemistry and physics.
You can think of chemistry as being the foundation for all processes in the body. Good chemistry starts with nutrients and electrolytes. Without a good balance of these chemicals life could not be supported by the cells.
non sense chemistry
Anyone can have good chemistry. What your job is plays no effect in your chemistry. It all depends on the personality.
Correct chemistry is a chemistry made with scientific methods, that affect as little as possible the environment and health, which improves people's lives.
Touch ourself
eating ourself
details about ourself