Electrical Safety Measures in Teaching Science
The major hazards associated with electricity in the science laboratory that require some safety measures are electrical shock and fire.
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Vascular tissue in Plants | Xylem and Phloem
Vascular tissue is composed of xylem and the phloem. Xylem, which is the material you think of as wood, conducts water and dissolved mineral salts forming a continuous system that runs throughout the plant body.
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