See generally Laura W. Morgan, Child Support Guidelines: Interpretation and Application Â§ 4.05 (Supp. 1999). Many states rewrote their emancipation statutes in the 1970s and 1980s to provide that a parent is released from a child support obligation when the child is 19 or graduates from high school. [See Table below.] Emancipation may also come before the age or event stated in the above Table.
The Law of Conservation of Mass (or Matter) in a chemical reaction can be stated thus: In a chemical reaction, matter is neither created nor destroyed. It was discovered by Antoine Laurent Lavoisier (1743-94) [15K GIF] about 1785.
Conservation of mass. Russian scientist Mikhail Lomonosov discovered the law of mass conservation in 1756 by experiments, and came to the conclusion that phlogiston theory is incorrect. Antoine Lavoisier's discovery of the Law of Conservation of Mass led to many new findings in the 19th century. Joseph Proust's law of definite proportions and John Dalton's atomic theory branched from the discoveries of Antoine Lavoisier.