<span>Forests provide excellent introductions to the foundational concepts of ecology, since they are among the most structurally and biologically diverse of the planet’s ecosystems.
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Answer:
The solar mass ( M ☉) is a standard unit of mass in astronomy, equal to approximately 2×1030 kg. It is often used to indicate the masses of other stars, as well as stellar clusters, nebulae, galaxies and black holes.
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Explanation:
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