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What is the name given to the widened rivermouth found at the point a river enters the sea?

A. Estuary

B. Bay

C. Gulf

D. Delta

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  5. Lunar eclipse means
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  17. How many planets does our Solar System consist of?
  18. How much time is taken by the Moon in completing one revolution around the Earth?
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  20. Which of the following statements best describes longitudes?
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