Transcript:
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Option 1: "Australia can not fully utilise its extensive underground water resources"
Explanation: The text discusses how Australia has extensive underground water resources, but it also highlights that most of this water is too salty for human consumption or crop irrigation. This indicates that while the resources are available, they cannot be fully utilized, supporting the main idea that Australia cannot fully utilize its extensive underground water resources.
Option 2: "Australia can fully utilise its extensive underground water resources"
Explanation: This option contradicts the text, which states that most underground water is too salty for human consumption or irrigation. Therefore, the assertion that Australia can fully utilize these resources is incorrect.
Option 3: "Australia can not rely on its limited underground water resources"
Explanation: The text indicates that while the underground water resources are extensive, they are not suitable for all uses due to salinity. However, it mentions that inland farmers do rely on this water for watering animals, making this option incorrect.
Option 4: "Australia can not use its limited underground water resources"
Explanation: This option suggests that Australia cannot use its underground water resources at all, which is misleading. The text states that while the water is too salty for some uses, it is still used by farmers for watering animals, thus making this option incorrect.
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