The advantage with social media devices such as these is
that they allow you to connect with people faster than ever. Whether you post a message, upload a video or
chat, it is all there. It makes finding
people easier. It’s also a good
alternative to a website to promote things.
The disadvantage is that what you
posts will be there for all to see. Your information can hacked and then there’s
the issue of cyber-bullying and stalking.
Answer:
Foreign employment is working for a company based in another country, and you usually only work in one country. It wouldn’t be your home country in this case. National employment is working in multiple countries, and often your home country is one of them.
Explanation:
B sounds like a good choice to go for
"<span>Los geólogos a menudo necesitan saber la edad del material que encuentran. Usan métodos absolutos de citas, a veces llamados datación numérica, para dar a las rocas una fecha real, o rango de fechas, en número de años. Esto es diferente a la datación relativa, que sólo pone los eventos geológicos en orden cronológico.</span>" -GOOGLE
