Action (gasses coming out of the rocket motor) will equal reaction (rocket being pushed)
Then we'd all be in trouble...
A scientific law is a statement that describes a consistent pattern observed in nature. It is a generalized rule that describes a phenomenon under specific conditions and is supported by empirical evidence.
The rockets that have been used carry their one oxygen for the combustion. Or they use a fuel that dosn't need to ignite. These latter propellants rely only on Newtons second law.
Newton's third law explains how rockets are launched into space.
Galileo's law
Newton's third law
Constitutional Law
Sir John Salmond defines law as "the body of principles recognised and applied by the state in the adminstration of justice"
Substantive law defines the rights and duties as opposed to procedural law which explains how the laws work. Substantive law is also called statutory law.
Natural law
When a sibling of yours marries a guy. He is now your brother in law.
One example of scientific law, is The Law Of Gravity.