Carbonic acid is unstable in water, so when it forms in aqueous solutions, it decomposes into?

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

bcde is the incorrect answer it is a