Answer:
The Earth's magnetic field is mostly caused by electric currents in the liquid outer core. ... Convection of molten iron within the outer liquid core, along with a Coriolis effect caused by the overall planetary rotation, tends to organize these "electric currents" in rolls aligned along the north-south polar axis.
Explanation:
The word "Next" is using chronological order to organize the writing.
The revision of sentence which corrects the comma splice is B. Driven by instinct, the salmon rushed upstream, they neither knew nor cared about the hungry bears that awaited them.
<h3>What is a comma splice?</h3>
This is known as a comma fault in English where sentences or independent clauses are improperly connected.
Hence, we can see that option B contained the independent clauses and linking conjunction and are connected properly.
Read more about <em>comma splice</em> here:
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Option D is the most neutral one.
