-They limit overgrazing/overpopulation
-They provide food for others
Answer:
false
in chemical reaction element doesnot change into another
Explanation:
Answer:
Subgroups S, P, D, F, including elements of blocks s, p, d, f, respectively.
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The answer is the last option
Since the given formula is . According to cross method formula, magnesium has +2 charge so, is multiplied by 2.
Thus, 1 molecule of magnesium phosphate will contain 2 atoms of phosphorus.
Therefore, three molecules of magnesium phosphate contains following number of atoms.
Mg = 9
P = 6
O = 24
Hence, we can conclude that there are 6 atoms of phosphorus in three molecules of magnesium phosphate, .