Which condition is necessary for water droplets to condense and form clouds? A. Dry air
B. Ice crystals in air
C. Tiny particles in air
D. Rising temperatures
Which condition is necessary for water droplets to condense and form clouds?
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The correct answer is C. Tiny particles in air.
For water droplets to condense and form clouds, they need a surface to form on, which is typically provided by tiny particles in the air, such as dust or pollen. These particles are called condensation nuclei. When water vapor in the air cools and reaches its dew point, it condenses onto these particles, forming the droplets that make up clouds.