Answer:
conservation of natural resources
Explanation:
You're trying to save resources, all the other options cause harm
So he doesn't fall and drown
The empirical formula is the simplest whole number ration that defines constituent atoms in a species. The molecular formula is always a multiple of the empirical formula.
Molecule Formula = 78.0 • g • mol ^ -1 = n(12.011 + 1.00794) • g • mol ^ -1
78
N = ——————————- = 6
12.011 + 1.00794
Molecular Formula = C6H6
The outer skeleton provides protection due to the fact that invertebrates do not have backbones