pitch angle
(Science: physics) For a charged particle moving in a magnetic field, this is the angle arctan (v-perp/v-parallel), where v-parallel is the component of the particle’s velocity parallel to the magnetic field, and v-perp is the perpendicular component. The pitch angle is zero when the particle moves purely parallel to the field, and 90-degrees when the particle has no parallel velocity at all.
Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new plant. Two major plant divisions are covered: the angiosperms and the gymnosperms. ..
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This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be suited to living and adapting to the conditions of the ecosystem...
