Answer: The brain is an organ, and a very unusual and complex one at that. It plays a role in every one of our functions, controlling many organs, our thoughts, memory, speech, and movements.
Explanation:
Answer:
50g of CaCO3=1. 5∗(6. 022∗1023)=9. 035∗1023 oxygen atoms
It is a watery fluid called <span>cerebrospinal fluid. Answer C :)
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Density = m/v therefore v = m/d v = 25/0.85 v = 29.4117... cm^3 ( = 2.94 * 10^-5 m^3
La gasolina es Contaminada