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Three Airs Meet a Mountain

Three moving air masses meet at a mountain range: one warm and wet, one warm and dry, and one cold. The mountain makes many small places with different moisture and temperature, so many kinds of plants can grow there.

In the picture

  1. Teal rain-cloud arrow from the east.
  2. Orange sun arrow from the southwest.
  3. Pale blue snowflake arrow from the north.
  4. Group of five different plants on the mountain slopes.

Examples

  • A sunny windowsill and a shady corner of the same room can grow different plants.
  • A garden with a wet patch and a dry patch may hold different flowers.

Quiz: Three Airs Meet a Mountain (Age 11)

  1. Why can a mountain range where different air masses meet have so many kinds of plants?

    • Because the air masses create many small places with different moisture and temperature.
    • Because every spot on the mountain has exactly the same weather.
    • Because mountains keep all air masses away from the plants.
  2. Which three air masses meet at the mountain range?

    • A warm wet one, a warm dry one, and a cold one.
    • A cold wet one, a cold dry one, and a hot one.
    • Three air masses that are all warm and wet.
  3. What happens because the mountain has many small places with different moisture and temperature?

    • Many kinds of plants can grow there.
    • Only one kind of plant can grow there.
    • Plants cannot grow there at all.

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Geography, Age 11