Rewrite each sentence changing the position of the object pronouns: Ellos los están haciendo ahora.

I'm stuck between soy, or estoy.which one is it?

Which one of the following is the correct rhyme to keep in mind when using the spanish counterparts to this, that, those and these? a: “that” and “those” both have s’s, “this” and “these” don’t b: “that” and “those” both have t’s, “this” and “these” don’t c: “this” and “these” both have s’s, “that” and “those” don’t d: “this” and “these” both have t’s, “that” and “those” don’t

Find the electric charge in columb of 54g of al 3+ ion