Which transition word or phrase best completes the passage to show a cause-and-effect relationship?
Cevap:Ancient Roman builders mixed volcanic ash with slaked lime to create a highly durable concrete. When exposed to seawater, this mixture triggered a chemical reaction that formed a rare mineral called aluminous tobermorite, which reinforced the concrete's structure over time. 【consequently】, Roman concrete structures like the Pantheon have survived for millennia, whereas modern maritime structures often degrade within decades.
Cevap
Consequently (or another cause-and-effect transition such as 'therefore', 'thus', or 'as a result')
The sentence before the blank describes a chemical process that strengthens Roman concrete over time, while the sentence following the blank states that Roman structures have survived for thousands of years. Because the survival of these structures is a direct consequence of the chemical reinforcement, a cause-and-effect transition such as 'consequently', 'therefore', 'thus', or 'as a result' is logically necessary.
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Anahtar Kavram
Transitions: Cause and Effect
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