Environmental Destruction

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Across
  1. 2. absence of rainfall in a region over a long period of time.
  2. 4. a series of ocean waves, reaching heights of 40 metres.
  3. 6. condition arises due to heavy and prolonged rains.
  4. 7. sudden movement of the ground or series of vibrations on the earth's surface.
  5. 8. digging and mining activities; results in soil erosion.
Down
  1. 1. conical mountains; throw up hot, molten rocks called magma.
  2. 3. violent storms with strong winds and heavy rains.
  3. 5. contamination of the environment; biggest man-made threat to nature.