1. Los responsables del zoológico aprobaron el proyecto cuyo presupuesto es bajo. Los responsables del zoológico aprobaron el proyecto que tiene un presupuesto altísimo. 2. El especialista que trabaja con los monos es de Cuba. El especialista de Cuba, quien está mejorando el área donde viven, quiere trabajar con los monos.

The correct option in each case, taking into account the Audios in Spanish is:

Audios in Spanish.

In the audios in Spanish, you can hear long sentences or paragraphs in Spanish that indicate the situation in each of the cases, in the first exercise you can hear that the zookeepers approved the project that has a very high budget, for which the option with "altísimo" is the correct.

In the second case, it is heard that a specialist who works with monkeys wants to improve the area where he lives and the specialist is from Cuba, therefore, since he already works with monkeys, the correct option is the first one given.

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The correct answer to this open question is the following.

Although the question lacks some instructions, it asks us if one of the options of these sentences is grammatically incorrect.

So the answer is Spanish is the following.

1.-

La oración "Los responsables del zoológico aprobaron el proyecto cuyo presupuesto es bajo" es la correcta porque se aprobó el presupuesto debido a que el presupuesto es menor, no es elevado. Si hubiera sido un presupuesto alto, no se habría aprobado.

2.-

La oración "El especialista que trabaja con los monos es de Cuba" es la correcta porque tiene la estructura gramatical apropiada; es concreta y clara. La otra oración está mal estructurada y es confusa.

interact. i am not 100% sure with this, but you can communicate without speaking, so i think interacting is more precise answer.