Explanation: In astrology, the zodiac signs are categorized into four elements: Fire, Earth, Air, and Water. Each element has three signs associated with it, and these elements are believed to influence the personality traits and characteristics of individuals born under these signs.
The four elements are:
1. **Fire**: Aries, Leo, and Sagittarius. Fire signs are known for their passionate, energetic, and enthusiastic nature. They are often seen as leaders and are driven by their desires and ambitions.
2. **Earth**: Taurus, Virgo, and Capricorn. Earth signs are known for their practicality, stability, and grounded nature. They are often focused on material success and are reliable and hardworking.
3. **Air**: Gemini, Libra, and Aquarius. Air signs are known for their intellectual, communicative, and social nature. They are often seen as thinkers and communicators, valuing freedom and innovation.
4. **Water**: Cancer, Scorpio, and Pisces. Water signs are known for their emotional depth, intuition, and sensitivity. They are often seen as nurturing and empathetic, with a strong connection to their feelings and the feelings of others.
Aquarius, which is the sign in question, is one of the three air signs. Aquarians are known for their innovative and independent nature. They are often seen as visionaries and are driven by their desire to make the world a better place. They value freedom and are often seen as unconventional and progressive. These traits align with the characteristics of air signs, which are intellectual, communicative, and social.
Therefore, Aquarius is an air sign, and the correct answer is (C) Air.