'These, like the spring type, are caused by the gravitational pull of the sun & the moon on the ocean'
the tides
AN OCEAN OF KNOWLEDGE: These, like the spring type, are caused by the gravitational pull of the sun & the moon on the ocean
These, like the spring type, are caused by the gravitational pull of the sun & the moon on the ocean
These, like the spring type, are caused by the gravitational pull of the sun & the moon on the ocean
AN OCEAN OF KNOWLEDGE
the tides
AN OCEAN OF KNOWLEDGE