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?
<h3>
2 - Ahora y en el pasado : Rewrite these sentences in the preterite tense, changing only the verbs.</h3>
<em>1.</em><em> Ramón escribe una carta al director del programa. </em>
Answer 1: Ramón <em><u>escribió</u></em> una carta al director del programa.
Translation 1: Ramón wrote a letter to the director of the program.
<em>2.</em><em> Mi tía trabaja de dependienta en un gran almacén. </em>
Answer 2: Mi tía <em><u>trabajó</u></em> de dependienta en un gran almacén.
Translation 2: My aunt worked as a sales assistant in a department store.
<em>3.</em><em> Comprendo el trabajo de la clase de biología. </em>
Answer 3: <em><u>Comprendí</u></em> el trabajo de la clase de biología.
Translation 3: I understood the work of the biology class.
<em>4.</em><em> La familia de Daniel vive en Argentina. </em>
Answer 4: La familia de Daniel <u><em>vivió</em></u> en Argentina.
Translation 4: Daniel's family lived in Argentina.
<h2><em>Spymore</em></h2>
Answer:
internal migration
Explanation:
internal migration - moving within a state, country, or continent.
