AnalysisThis question asks to define the underlined words using context clues from the sentences. We need to understand the meaning of the words based on how they are used in the sentences.Step 1**1. water-saturated:** The sentence says that when the soil is water-saturated, it behaves like a liquid. This implies that water-saturated means completely soaked with water.Step 2**2. sever:** The sentence states that electrical lines may sever during earthquakes, leading to fire. This suggests that sever means to cut or break apart.Step 3**3. Seismic:** The sentence says that seismic activities must be monitored because earthquakes originate below the earth's crust. This implies that seismic refers to earthquakes or earth movements.Step 4**4. subsidence:** The sentence explains that ground subsidence happens because of the soft and liquid-like behavior of some soil. This suggests that subsidence means the sinking or settling of the ground.Step 5**5. tsunami:** The sentence defines a tsunami as being caused by earthquakes in oceanic floors, leading to huge flooding. This implies that a tsunami is a large, destructive wave caused by an underwater earthquake.Answer1. **water-saturated:** Completely soaked with water.2. **sever:** To cut or break apart.3. **Seismic:** Relating to earthquakes or earth movements.4. **subsidence:** The sinking or settling of the ground.5. **tsunami:** A large, destructive wave caused by an underwater earthquake.sana Makatulong!