Although online learning has existed before the covid pandemic, during these tough times alternatives for online learning such as programs and courses have increased dramatically. Given this, more people (schools students and adults) could taste the experience of online learning, facing the benefits and disadvantages of this educational mode. One of the main benefits is that location is not an impediment for students to participate. People from diverse regions of a country (or from diverse countries) can enroll in the online program. Another benefit is that students and teachers don't need to commute to the lessons, saving time for important things such as spending time with family or attending another online class afterward. A benefit for the education provider is that they don't need to rent or schedule a physical room for the lessons. And finally, the online lessons can be recorded so students can have access to the same class to review the material or absent students can watch the lesson later. On the other hand, one of the disadvantages is the loss of physical interaction between classmates but some online courses give time to students for networking. And students must have a good computer and reliable internet connection. In some schools in my country, students don't have access to a good internet connection so they have difficulty attending the online live classes.

In my opinion, firstly you have to talk with them about their low performance, not in a judgemental way, but with the honest intention of discovering the reasons, which can be for instance personal struggles or not being able to understand the topic. And secondly, design with the students an action plan to enhance their performance. If the issue is not grasping the subject, a good idea could be checking additional material or another way of approaching it (some people prefer to learn with videos, others reading, and so on).

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Reading the comments I agree the wheel and electricity have made big changes in our lives. And recently I think the Internet is a great invention because it allows us to connect instantly with people from different countries, and also to learn about different cultures and world events. Furthermore, it changed the way we work. Now you can work remotely for a company in a city while you are living close to the beach or countryside.