Sexual Reproduction in Flowering Plants
Q: Explain the adaptations for wind dispersal.
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(a) Radioactive decay is the spontaneous breakdown of an unstable nucleus. (b)(i) Alpha particle: helium nucleus (2p, 2n). (ii) Beta particle: fast-moving electron. (iii) Gamma ray: high-energy electromagnetic wave. (c) Isotopes have the same number of protons but different numbers of neutrons.
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