Answer:
Being selfless means you are kind enough to put other's needs before yourself. So Tris is considerate, and probably helps other people before helping himself (sorry if its another gender I don't know what Tris's gender is.)
Explanation:
I hope that helped.
If you got it mixed up with being hopeful just remember a hopeful person doesn't have to be kind, and an assertive person often has a fiery personality.
Answer: medium
this type of radiation does not need a MEDIUM to transfer heat.
Hope that helps.
The word or phrase that best connects the ideas in the sentences in question is D, that is, your anwer would be "in contrast".
The first part of the passage shows that we should have the right to choose sodas or snacks if we want to, we should be given the right to do that. On the contrary, the second part of the passage talks about that sometimes having too many options is not a good thing and it makes us unable to make the right choice.
C is the answer I hope this helps