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Subjects
Social Science
Class 9
Hydrosphere
Movement of the ocean
11.
Tides and waves
Exercise condition:
3
m.
Choose the best
Answer
1.
Waves that may reach up to 30m in height, causing severe destruction to coastal regions are called
.
2.
Tides are created by the
effect.
3
.
Spring tides occur on the full moon and new moon days when the sun, moon and earth will be aligned in a
line.
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