9781422274521

WORDS TO UNDERSTAND

aerobic decomposition the process of degradation in the presence of oxygen

antioxidant a substance that prevents degradation

biodiversity refers to the variety of different organisms present on Earth

cancer a medical condition caused by the uncontrolled growth of cells

compost the organic matter that is fertile in nature

conventional based on the traditional method of doing something

chromatogram a visible record that depicts the separation of elements as per their properties

desiccant a substance that acts as a drying agent by absorbing water

fertilizer the chemical substance used to promote plant growth and provide soil with nutrients

fiber the thin thread used to make cloth

fodder the food for domestic animals

herbicide a chemical used to kill weeds

hormone a chemical substance responsible for growth

irrigation the method of providing water to agricultural fields

leguminous plant a plant that provides nitrogen to the soil

livestock the domestic animals whose products are beneficial for man

CLIMATE CHANGE: Problems and Progress

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