A past participle is a form of verbs that, if formed regularly, has the form of "stem+ed".
The past participle of "tangle" is "tangled" and the sentence with the past participle is:
I stepped into the middle of the tangled vines.
(actually the last sentence also has a past participle in it, but not only, so I am not choosing it).
Answer:
If we stopped shaking hands there may be, for an older generation, a sign of a lack of respect (though that can be shown in other ways).
Explanation:
Shaking hands is used as a form of greeting, expressing gratitude, and even used to complete business or diplomatic agreements. So, it does play an important role is society, but at the same time, I do believe that there are other ways of showing respect, a greeting, or completing agreements.
Answer:
Looks like the last option is the one most likely to be the correct answer, as the other ones don't really help talk about the <em>benefits </em>of a plant-based diet. However, quizzes like this are fickle things so I can't promise this will be the correct answer. Good luck!
I believe that the answer would be all of the above
Hope this helps