What are the answers to questions 15-30 and theory questions 1a and 1b on ornamental plants, watering, weeding, and fertilizer application?

15. D. weed 16. C. farm 17. C. habitat 18. D. aquatic habitat 19. D. monogastric 20. B. crop rotation 21. C. mulching 22. A. hoeing 23. C. mammary gland (assuming "mammal gland" refers to mammary gland) 24. D. taungy 25. A. regeneration 26. C. oestrus cycle 27. D. copulation 28. D. 20-21 29. D. flock mating 30. A. heat THEORY PART 1a. Define ornamental plants Ornamental plants are plants grown for decorative purposes in gardens and landscape design. They are valued for their aesthetic features such as flowers, foliage, scent, or overall form. 1b. Explain the following under the maintenance of ornamental plant. i. watering Watering is crucial for ornamental plants to ensure adequate hydration, nutrient absorption, and overall health. The amount and frequency of watering depend on the plant species, soil type, and environmental conditions. ii. weeding Weeding involves removing unwanted plants that compete with ornamental plants for water, nutrients, sunlight, and space. Regular weeding helps maintain the aesthetic appeal of the garden and promotes healthy growth of the desired plants. iii. fertilizer application Fertilizer application provides essential nutrients to ornamental plants, which promotes vigorous growth, vibrant blooms, and healthy foliage. The type and amount of fertilizer should be selected based on soil test results and the specific needs of the plants.