This is false because males have 1 X and 1 Y chromosome. It's females who have 2 X chromosomes. So, it's false.
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Explanation:
A chemical bond which is formed in between positively charged atoms when there is sharing of free electrons in a lattice of cations is known as a metallic bond.
In a pure metal, atoms are surrounded by free moving valence electrons which move from one part of metal to another.
Thus, we can conclude that pure metals are held together by metallic bonds due to attraction between mobile valence electrons and positively charged metal ions.
.15 liters of normal saline will drip into the patient's IV per hour.
