Answer: d.
good is the answer
People are using the internet more than ever. New apps are coming out everyday and people are using them. Instagram is a great app do market/promote on because so many people are using it. You could post an ad on a streetlight and the exact same add on Instagram and the sales between the two would be very different. Social media and internet is a commonly used thing. With so many people on it, someone will see what you're marketing and want it. <span />
Answer:
Well I am not 100% sure
Explanation:
However, I think that, they do this so that you know the original way of printing newspapers and see how the history of printing press has grown over time especially after the industrial revolution
It is important to be consistent: unless you have reasons not to, you should stick only to one tense.
If you're telling a story, be consistent about whether you say it in the present tense or the past tense.
