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The two most important climatic factors for ecosystems are sunlight and water. Sunlight is necessary for plants to grow, and to provide energy to warm the earth's atmosphere. Light intensity controls plant growth. Light duration affects plant flowering and animal/insect habits.
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Aluminum, iron (and steel), magnesium, titanium, zinc, and silica (from glass) are obtained through recycling. Some bikes are made with titanium or scandium-aluminum alloyed metals.
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Venus: almost no surface winds, sulfuric acid clouds, runaway greenhouse effect.
Earth: atmosphere composed primarily of nitrogen and ultraviolet-absorbing stratosphere
Mars: extremely low-density atmosphere, global dust storms.
After the rise of Islam in the Hejaz, Arab culture and language were spread outside the Arabian Peninsula through conquest, trade and intermarriages between members of the non-Arab local population and the peninsular Arabs. The Arabic language began to serve as a lingua franca in these areas and dialects were formed.
