Which is the subordinate clause in the sentence? As the tides rise and fall, the levels of salt concentrations change, and animals must adjust to wide salinity variations. A. the levels of salt concentrations change B. as the tides rise and fall C. animals must adjust to wide salinity variations D. to wide salinity variations

Question

Which is the subordinate clause in the sentence?   As the tides rise and fall, the levels of salt concentrations change, and animals must adjust to wide salinity variations.    A. the levels of salt concentrations change    B. as the tides rise and fall    C. animals must adjust to wide salinity variations    D. to wide salinity variations

superflytyguy · Answer

Stuck between B and D. Independent clauses can be used as a sentence by itself, subordinate clauses would be sentence fragments. 

"As the tides rise and fall" and "To wide salinity variations" are both subordinate clauses.

anonymous · Answer

it's (D)