Examlex
Briefly explain the role of Malpighian tubules in arthropods.
Disabled Adults
Individuals over the age of adulthood who are unable to perform certain activities due to physical or mental impairments.
Crystal Form
The external shape displayed by a crystal or a mineral, determined by the internal arrangement of its atoms or molecules.
Cleavage
1. The tendency of minerals to break along specific orientations of closely spaced planes. 2. The tendency of a rock, especially a metamorphic rock, to split along mostly parallel planes.
Luster
The reflection of light from the surface of a mineral, especially its quality and intensity; the appearance of a mineral in reflected light.
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