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:
a diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.
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Explanation:
Answer:
It means he was enjoying his life as a author.