I would say this is a complex sentence. Because it has one independent clause(their more aggressive style did not pay of.) and two dependent clauses.
The correct answer should be strong
While modern and antiquated are antonyms, weak would be the antonym of strong.
A. <span>The answer is The structure of the response is less formal than an essay.</span>
Answer:
I took the test it is that soaps bind to materials and are then washed away.
