Which one is a free Tool for Plagiarism checking? URKUND Duplichecker Turnitin iThenticate

What do you think anti Plagiarism detection software are useable  forSelect one:a.Added Features like instant feedback to help improve writingb.Avoiding plagiarismc.Getting comparison or similarity index to check originality of assignmentd.Do not find useful for any of these

Which of the following plagiarism software is available under open access?Select one:a.Urkundb.Viberc.Turnitind.None of the above

Plagiarism tools shows percentage of plagiarism (True/False) True

Which of the following should you always consider to avoid plagiarism?a.hope nobody checks to find out it isn't your own original workb.paraphrase everythingc.change a few words so it isn't technically copied word-for-word (verbatim)d.give credit to the person who created the material you are using

Plagiarism, concept, forms and avoidance