'Dangerous uv rays' diaporamas de présentation

SUN SAFETY: EXPOSURE, DAMAGE, AND PREVENTION

SUN SAFETY: EXPOSURE, DAMAGE, AND PREVENTION. By Teresa Patton Training and Staff Development Oklahoma Dept. of Corrections. Course Information. Course Author: Teresa Patton, Training Administration Course Issued: July 3, 2007 Course Credit: 30 minutes ORACLE Course Code: SAF199000

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Layers of the Atmosphere

Layers of the Atmosphere. 2009. Pressure is a force that acts over a certain area. Liquids and gases are fluids. Fluids are any material that is able to flow. Fluids exert pressure because of the motion of their particles.

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Layers of the Atmosphere

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The Eye and Common Eye Problems

The Eye and Common Eye Problems. Anatomy of the Eye. Iris and Pupil. How does the eye work?. The human eye works like a living camera. Like a camera, the eye processes light and takes mental snapshots of images, which are then developed in the brain. . Refractive Error.

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