What were land bridges used as an explanation for? a) seafloor spreading b)tidal forces c)mesosaurus fossils d)magnetic striping on the ocean floor

C) Mesosaurus fossils

Explanation:

Land bridges are path between two continents which were there millions of years ago but are now under sea. During ice age these paths were formed when sea water dried up due to formation of ice at poles. Mesosaurus are extinct species of reptiles which inhabitated south Africa and southern part of south america two continents separated by Atlantic ocean. This proved that earlier these continents were part of a single landforms.

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