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There are two neap tides per month because: The moon and sun are at a 90-degree angle to Earth twice a month. Earth rotates in and out of a tidal bulge created by gravitational forces. Earth revolves around the tidal bulges created by gravitational forces. Earth moves closer to the sun and moon twice a month.

Answer:Which description explains why there are two spring tides per month? Earth rotates in and out of a tidal bulge created by gravitational forces. Earth revolves around the tidal bulges created by gravitational forces. Earth moves closer to the sun and moon twice a month.

Explanation:

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