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Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
Lioness in a burst of speed while hunting in the Serengeti
Movement of a bolus of food from the mouth to the esophagus. The bolus then travels to the stomach.
Light penetration in Rivers
Environmental Monitoring (EM) - Particle Counter