A, Mechanical and A, Chemical.
Gay-Lussac's Law states
P1 / T1 = P2 / T2
So the answer is b
Answer:
State A = piece of metal; State B = air
Explanation:
For the three main states of matter here's how it breaks down.
Solid - Cannot be compressed and retains its shape
Liquid - Cannot be compressed and does not retain its shape
Gas - Compressible and does not retain its shape.
Knowing this State A has to be solid. Only one of the options has A as a solid, so that's the answer. Worth knowing state B is a gas though, only one compressible, just like solid is the only one that retains its shape.
Senators are elected in statewide elections rather than in specific districts. <em>(D)</em>