Read the text and complete the gaps (1-6) with the correct sentence (A-G). One sentence is extra. A -Until its creation, people had very limited means of telling the time.
B- However, the use of the merkhet has been confirmed.
C- it is believed that our curiosity first took root in ancient Egypt.
D- In fact, it provided such precise measurements that it may even have been used in the construction of the great pyramids at Giza!
E -Once the meridian established, they observed the stars crossing it while rising or setting.
F- It was an L-shaped bar made from wood, metal or bone.
G-Modern astronomers claim there is still a lot to be learnt was from this technology.
