Definition. In rhetoric, exigence is an issue, problem, or situation that causes or prompts someone to write or speak. The term exigence comes from the Latin word for demand.. It was popularized in rhetorical studies by Lloyd Bitzer in The Rhetorical Situation (Philosophy and Rhetoric, 1968).
Enzymes absorb Sludge. Lemongrass as an insect repellent. Lemongrass herb is a very popular plant found commonly in India and used for medicinal, food and mosquito and insect repellent products. The lemongrass oils are also used in cosmetics, soaps, perfumes, dyes and odorizes along with thousands of other products.
In my experience, using essential oils is the best way to keep the mosquitoes away (and itâs much gentler on your pocketbook). The following are my favorite anti-mosquito picks: lemongrass, peppermint, eucalyptus, clove oil and tea tree.