The answer is Ra
Atomic number for Be is 4
Atomic number for Mg 12
Atomic number for Ra 88
Atomic number for Ba 56
Answer:
It is called liquid gold because of its high price and value and its economic need by all the countries worldwide.
Explanation:
Petroleum is present in abundant quantity in the some regions . So it is considered as Liquid gold, which they value a lot.
Answer:
the inevitable elimination from a habitat of one of two different species with identical needs for resources.
Explanation:
25*5= 225 and 7hs hsueuxn udneicj