For a span of 248 mya to 65 mya,the Mesozoic Era,in which dinosaurs appeared,dominated and became extinct,lasted approximately ___ of the geologic timescale.

Name: For a span of 248 mya to 65 mya,the Mesozoic Era,in which dinosaurs appeared,dominated and became extinct,lasted approximately ___ of the geologic timescale.
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The Answer of For a span of 248 mya to 65 mya,the Mesozoic Era,in which dinosaurs appeared,dominated and became extinct,lasted approximately ___ of the geologic timescale.

For a Span of 248 Mya to 65 Mya,the Mesozoic