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.
Repels mosquitoes. This hardy herb can adapt to dry or rocky, shallow soil and will thrive in your herb garden, a rock garden or a front border as long as these are in sunny locations. The plant itself will not repel pesky mosquitoes.To release its chemicals, you must first bruise the leaves.emongrass. Repels mosquitoes. Youâve no doubt seen citronella candles in stores during the summer and read how citronella will keep mosquitoes away. Citronella is a natural oil found in lemongrass, an ornamental that can grow up to 4 feet tall and 3 feet wide in one season.