I am pretty sure that <span>the option which best describes one of the themes in "mending wall" by Robert frost is being shown in the first represented variant:
</span><span>wall" by Robert frost?
a.people often put up barriers</span><span>
During the poem author always asks : </span> "where it is we do not need the wall"? and the answer he gets is that "Good fences make good neighbors'', he was wondering why people always create barriers or obstacles in their lives so I bet this option is the most suitable one.
I believe the answer is tense
Answer:
Well in theory the gravitation substance can be found in many places in the world but as we all no it is very hard to accumulate. many people have died looking for this but only some succeed but the rewards are crazy im talking unlimited money flight laser beams and much more
Explanation:
Probably not but no one really knows 1000% because there isn't any evidence to back it up