The statements 'the gravity of the sun and moon work against each other' and 'smaller than normal range of highs and low tides' are TRUE about neap tides. It is influenced by gravity.
A neap tide is a period of time in which moderate tides can be observed on the water body (ocean).
Neap tides occur when the gravity of the sun and the moon work faced each other (they are at a right angle to each other).
When the moon and the sun are found at a right angle, it impulses to both to pull the water body into distinct directions.
Learn more about neap tides here:
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