Answer:
Explanation:
In terms of old school electron shells - One Hydrogen atom on it's own has an empty shell, and therefore to fill the shell it needs another electron. In the case of Helium, it already has two electrons at the same energy level - so it cannot accept any new electrons i.e. it cannot form new bonds.
Scientific theories explain why something happens and scientific laws describe what happens
Yes, in fact it can. the motor cortex starts to give out at around the age of 72.
Answer: They both share the pharynx
Explanation: The Pharynx is a region of the mouth and part of the upper throat where air from the respiratory system and solid food and liquids can mix
Its B, the second one glaucoma