Which of the following device was used by people in ancient days to me

1.	Which of the following device was used by people in ancient days to measure time?(a) Sand clock(b) Water clock(c) Sun dial(d) All of these
Answer» ANSWER: SUN DIAL HOPE it HELPS :)

Which of the following device was used by people in ancient days to measure time?(a) Sand clock(b) Water clock(c) Sun dial(d) All of these

Answer»