The development of barbed wire in the 1870s changed the cattle ranching industry by allowing the cattle ranching owners that have large ranches to enclose their own territory in which allowed them from eliminating the possible competition in regards of the resources. It is because the barbed wire in the 1870s serves as an important tool that ranchers could use as a way of protecting their animals in the barn from predators capable of killing their animals and from also preventing other people from trespassing without their permission.
Explanation:
Coal is the leading culprit of air pollution in China. 75% of the premature deaths are caused by the 152 coal-fired power plants in Hebei Province. ... Air pollution will remain a serious problem in China as long as coal continues to be the country's major energy source.
Answer:
D. relatively more inelastic because wine is a luxury.
Explanation:
Elasticity is a measure of the sensitivity of demand to price changes. When price changes significantly alter demand, we say that demand is elastic. On the contrary, when price changes do not significantly alter demand, we say that demand is inelastic. This is the case of wine in relation to water. Wine is a good that can be considered sophisticated, luxury. Therefore, consumers are less sensitive to variations in the price of wine. However, water is an abundant good and demanded by all. If the price of water increases, demand tends to decrease as the elasticity of water demand is relatively greater than the elasticity of demand for wine. In other words, wine the demand for wine is relatively more inelastic.