This document discusses the life processes of plants. It explains that plants need sunlight, water, carbon dioxide, and mineral salts to survive. It describes the processes of photosynthesis, by which plants make their own food, and respiration. Plants store substances in their fruits and roots and release waste like oxygen, carbon dioxide and vapor. The document also outlines both asexual and sexual reproduction in plants, noting that sexual reproduction involves pollination and results in seeds that can germinate into new plants. It provides details on crop farming, including sowing seeds and caring for crops.