What is the percentage of each element? Mg(NO3)2

Please give an explanation!!

Magnesium (Mg) is 1, Nitrogen is 2, and Oxygen is 6

Explanation:

the reason Nitrogen is 2 and Oxygen is 6, is because the number after the parenthesis means you have multiple whatever is inside the parenthesis by that number.

the child will have heterozygous dominant chromosomes as characters of his father are dominant over the characters of his mother.

the child is heterozygous

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.