If two continents converge and are united, then the collision ...

[penguins]

If two continents converge and are united, then the collision should cause
A) a net loss of intertidal zone and coastal habitat.
B) the extinction of any species adapted to intertidal and coastal habitats.
C) an overall decrease in the surface area located in the continental interior.
D) a decrease in climatic extremes in the interior of the new supercontinent.
E) the maintenance of the previously existing ocean currents and wind patterns.

[Millan]

I know it's A, we did this last month

[penguins]

Thank you, thank you!!