Answer:
active solar heating systems use solar energy to heat a fluid either liquid or air and then transfer the solar heat directly to the interior space or to a storage system for later use. If the solar system cannot provide adequate space heating, an auxiliary or back-up system provides the additional heat.
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few plants
Explanation:
Arid and polar regions of the world typically have few plant species. The plant species in such environment are called xerophytes. They are plants that can live in an area with little to no precipitation.
- Arid regions of the world are about the most driest in the world with very high diurnal temperature range.
- Polar regions are frigid and cold all year round.
- Both arid and polar regions have little to no precipitation all year round.
- They have poor soils to support plant growth.
- This is why they both have few plants.
Learn more:
Temperate and tropical climate brainly.com/question/10856870
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