Answer:
Each conservation law of a given partial differential equation is determined (up to equivalence) by a function known as the characteristic. This function is used to find conservation laws, to prove equivalence between conservation laws, and to prove the converse of Noether's Theorem.
Explanation:
follow me
B. Hillary because it is a name of a person and a name of a person is a proper noun.
The correct answer is "of the children". This adjectival phrase is used to modify and further explain the noun "voices".
