Presently, we have one of the lowest sea levels in earth's recorded history. in other words, we are in an and the continents are mostly emergent.
a-oceanic lowstand
b- oceanic highstand
c-tidal merge
d- equipotential phase

The correct answer is option a-"oceanic lowstand".

Explanation:

An oceanic lowstand is defined as a geological phenomenon at which the sea level is at a low point and the continents are mostly emergent. The Earth has been on onceanic lowstands historically. This has been identified by different evidence, including the Gulf Coast rivers formation of braided channels.

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