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News of their safety came as a great _____ to her. She had been so worried about them.

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A number of other provinces will declare drought ____ in the coming weeks.

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A ______ is sudden flooding that occurs when water rises quickly within several hours of a heavy rain.

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The Pacific Ring of Fire is an area of frequent _____ and volcanic _____, encircling the basin of the Pacific Ocean.

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During the next 24 hours, the storm will be moving north, around 10 km per hour and is expected to _____ the southeastern part of China’s Guangdong Province.

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Magma is the liquid rock inside a volcano, but lava is magma that ___ a volcano.

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A drought occurs when a region receives consistently below average _____.

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Three hundred people were left ____ by the earthquake.