Original sentences

a measurable physical difference in the ocean occurs at this point. the water surrounding the antarctic continent is considered an ocean unto itself.

new sentence

because a measurable physical difference in the ocean occurs at this point, the water surrounding the antarctic continent is considered an ocean unto itself.

which choice shows the type of change used on the original sentences to create the new one?

a.

subordinate clause with coordinating conjunction “because”
b.

combined using a compound subject
c.

combined using a compound object
d.

subordinate clause with subordinating conjunction “because”

D. Subordinate clause with subordinating conjunction "because".

Explanation:

The option that displays the type of change done to the original sentence to form a new one is a subordinate clause with a subordinate conjunction "because".

The new sentence illustrates a complex sentence beginning with the subordinate clause linked with the subordinating conjunction "because" which is introducing the dependent clause. The subordinate conjunction redefines the main clause as it provides the reason(Because a measurable physical difference for in the ocean) that tells why "the water surrounding the Antarctic continent is considered an ocean unto itself".

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explanation:

just to , the answer is b on edge