Fill in the blanks choosing the correct options from the bracket:
i. ______ farming is a highly specialized type of farming of the modem era.
(Intensive, Subsistence, Modern)
ii. Intensive farming and shifting cultivation are the two types in ______ farming.
(extensive, traditional, intensive)
iii. Shifting cultivation is a ________ type of cultivation,
(primitive, extensive, intensive)
iv. Cultivation of flowers and fruits is a subtype of _______ gardening.
(market, organic, plantation)