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diet – n. the food and drink that a person or animal usually takes
greenhouse gas – n. any of various gaseous compounds (such as carbon dioxide or methane) that absorb infrared radiation, trap heat in the atmosphere, and contribute to the greenhouse effect
journal – n. a periodical dealing especially with matters of current interest
legume – n. any of a large group of plants (as peas, beans, and clover) with fruits that are pods which split into two parts and root nodules containing bacteria that fix nitrogen
cassava – n. a tropical plant with thick roots that are used to make small white grains (called tapioca) that are used in cooking
