Answer:
sandra and you need to study
Explanation:
Answer:
D. Justificación
because he is jutifying his information and citing his sources
1-El paladio es un elemento químico con el símbolo Pd y número atómico 46. Es un metal blanco plateado raro y brillante descubierto en 1803 por el químico inglés William Hyde Wollaston.
2- la dos no se :(
Solid, liquid, gas ^^
For example, if you have an ice cube you have a solid piece of matter, but if you heat it up it melts and then it's liquid, and after getting hot enough it evaporates and even though you can't see it it's still there, but as a gas.
By the way, what's this have to do with Spanish?