Hmm...
Memory?
Because:
<em>
Today I will live my memory, tomorrow more memories will come. As time passes, memories aren't easy to remember, it doesn't take space, and it's only in one place, which is the pass. Memory is what we saw, but not see anymore.</em>
A. chart ata di ako sure pero pwede na din HAHAHAHAHAHAHHA
Answer: the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions