Complete the sentences with the verbs below. defend • threaten 3 The population of Venice will even more if the house prices continue to rise. 6 A decreasing population and flooding are two problems that Venice.

3 The population of Venice will **threaten** even more if the house prices continue to rise. 6 A decreasing population and flooding are two problems that **defend** Venice. (Note: The verb "defend" might not fit well contextually in the second sentence; "threaten" could be a better choice based on context, but it needs to align with the grammatical structure of the sentence provided.) If you meant to say that the problems "threaten" Venice, then: 6 A decreasing population and flooding are two problems that **threaten** Venice.