The store display rotates 40 times every half hour meaning that it will rotate 80 times every hour. To find how many times it will rotate in 4 hours, you can do 80 times 4. This is 320 rotations.
Also, please try and correctly list your question as this does not pertain to this subject.
Answer:
the best resource would be a dictionary, but you can also look it up on the internet those would be the best 2
Answer:
both are unique
City: modern and convenient
Villages: traditional and preserves heritage
Answer:
They were God's and built many structures and are a big civilization that changed modern world.
D. All of these. Informational references are available in all of these.