Answer:
1st one is right..it helps filter waste inside the cell.
Answer:
Explanation:
Electrons are transferred from atoms of sodium to atoms of phosophorus. This transfer makes the sodium atoms positive and the phosphorus atoms negative. As a result, the sodium and phosphorus atoms strongly attract each other.
It is called a dactyloscopy
3 covalent bonds (there are 2 electrons in the first orbital and 5 in the second. You still have room for three more)
