Atoms form new substances by sharing electrons with each other. the answer is most likely A.
The answer I would choose is c
Answer:
try to jump and reach high places like roofs this will help you greatly
Explanation:
Answer:
To transport signals to the rest of the body and to keep the body upright.
Explanation:
To protect the nerves and keep the body upright. This is because if your spine is broken, then you become paralysed therefore it's an extremely important aspect for the body.
It decreased because of the Black Plague