Can I safely browse Facebook (without being tracked) if all I do is read, not contribute?
No, even if you had all the cookie/ad-blockers in the world. You are on an advertisement platform which entire existence serves to track you 
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It is obvious that you can not. Look at the ads you see there - all that you searched in web recently… I discussed lenses with my friend and 5 minutes later I saw the ads about lenses there…
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