Question

@kjsaif

Answer 1

i want to say d

Answer 2

it seems it could be d.......let me check

Answer 3

go for d..................................................................

Answer 4

e.e

Answer 5

simplest one for sci analysis would be d. Time can be measured. popsicles (what is a pop ?) can be collected, counted and have their environment controlled. there's also probably a reasonable chance of getting an answer without causing a fight ... unlike the first one and maybe the other two as well.
http://perendis.webs.com

Answer 6

so it's d

Answer 7

thank u

Answer 8

your welcome :)