Which of the following sentences shows the correct use of commas in a series? O
Cardiovascular activities such as walking swimming and, aerobic exercise classes can be a fun way to get a little
exercise each day.
O Having healthy snacks on hand, such as apples, celery, and whole grain crackers, makes it easier to eat well.
You can increase your quality of sleep by, going to bed at the same time each night waking up at the same time each
morning and avoiding caffeine late in the day.
Drinking water getting plenty of sleep, eating well and exercising, are some key elements of a good self-care routine.

(the answer is d)

hope this !

as we know, the english language is spoken all over the world by native and non-native speakers and has become the most certain tool when it comes to communicating. businesses, schools, even romantic relationships depend on it to keep thriving. in addition, it is the language of the internet not only because most of the content available is in english, but also because people prefer to use it when talking to others, since it's the language everyone supposedly learns.

yet, there have been some current claims that chinese will soon take over as the most important language in the world. china's magnitude has never been more evident and doing business with the chinese is a gold mine for any country. we now see language schools offering chinese courses as commonly as english.

however - even though we cannot deny china's importance and the advantage it is when someone takes the time to learn the language their business contact speaks-, people in general seem to be ignoring the aspects that seem to keep english as the chosen one of languages. one of them has been mentioned above: it is the language of the internet. also, chinese people are still learning english, since it opens doors in communicating with practically everyone else, from every single country.

note: if this is not the sort of transition you need, let me know. : d