Answer:
Las ondas mecánicas son perturbaciones de las propiedades mecánicas, densidad y presión, que generan oscilaciones locales de los átomos de un medio material, propagándose a su través. La propiedad más importante de las ondas, en general, incluidas las de naturaleza mecánica, es que, al propagarse, transportan información y energía
They’ll started their specialization and their studies at the beginning of January
Some of the students will have done the homework their practices and a trip
Maybe their professional practices don’t offer good benefits like a good timetable or a break
The thing that matters is that the students are obtaining interviews, experience and benefits
Teacher says that the most important thing is to have a good paid work that you like
Answer:
1. Mi hermano quiere ser pintor ¡pero no <em><u>sabe </u></em>pintar!
2. Nosotros no <em><u>conocemos </u></em>al nuevo dependiente. ¿Es amable?.
3. No recuerdo bien dónde está el centro comercial, pero <em><u>sé </u></em>que está cerca de aquí. conozco
Explanation:
1. My brother wants to be a painter, but he <em><u>doesn't know</u></em> how to paint.
2. We <em><u>do not know</u></em> the new dependent. He is friendly?.
3. I don't remember where the mall is, but<em><u> I know</u></em> it's close to here. i know.