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□ Vegetative Propogation : Vegetative reproduction is any form of asexual reproduction occurring in plants in which a new plant grows from a fragment of the parent plant or a specialized reproductive structure.
□ Advantages of Tissue Culture : These techniques have certain advantages over traditional methods of propagation. They produce exact copies of plants required that have desirable traits.
□ The physical changes of puberty for a boy usually start with enlargement of the testicles and sprouting of pubic hair, followed by a growth spurt between ages 10 and 16 — on average 1 to 2 years later than when girls start. His arms, legs, hands, and feet also grow faster than the rest of his body.
Methods of contraception :
● long-acting reversible contraception, such as the implant or intra uterine device (IUD)
● hormonal contraception, such the pill or the Depo Provera injection.
● barrier methods, such as condoms.
● emergency contraception.
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has the smallest construction in the world is called thrush the attachment to do Work is called Energy 2uh