Periods can change the sound of voice. The hormonal changes related to a womanâs menstrual cycle also alter the sound of her voice. The cells from the larynx and vagina are believed to be similar and show similar hormone receptors. A 2011 study published in the journal Ethology found men can detect from a womanâs voice whether she is menstruating.
New Mexicoâs plant wildlife consist mainly of hearty, drought resistant trees and plants, including Juniper, Cottonwood, Douglas fir, Russian Olive, Blue Spruce, Ponderosa Pines, as well as lower growing plants such as Russian Thistle (Tumbleweed), Sagebrush, and Prickly Pear Cactus.
Seeds and inputs of fertilizer and pesticides for irrigated agriculture were suited to Mexico's northwest. Sorghum, a new crop was introduced to Mexico during the era of the Green Revolution, which was used for animal fodder. Mexico expanded cattle production in this era, fed on sorghum.