How much does it cost to buy and protect an acre of rainforest in Costa Rica? A. About $4,500. B. About $850. C. About $280. D. About $1,000. 相关知识点: 试题来源: 解析 C 细节理解题。由第二段可知购买和保护16英亩的热带雨林需要4 500美元,也就是说,每英亩约280美元。 答案:C...
Massive increases in factors of production prices contribute to inflation in later stages. Consequently, when a plant decides to manufacture a product, it may prefer large quantities or implement other methods to manage input prices, aiming to establish an equilibrium between input and output prices....
Relation of yield per acre of maize to cost per bagParish, E.Farming in South Africa
The usual cost offlower bedclean-up varies greatly and can be anywhere between$100 and $500. In addition, if you want the landscaper to plant new flowers, you can expect to pay an hourly fee of$25 to $200. If a flower bed is overgrown with weeds, old mulch, and debris, it needs...
afarm, forest, and open lands cost the local community an average of $37 per acre in community services, as opposed to $1.15 per acre for residential development.In other words, farms, forests, and open spaces pay more in local taxes than they cost the local government to provide services...
Within the Caribbean Islands, which is known to be an expensive region, Guadeloupe is moderately priced compared to the other countries. The overall cost of travel here is comparable to the Caribbean Netherlands or Saint Barthelemy. Whether you're watching your wallet or ready to splurge, Guadelou...
Keep in mind, though, that an acre is roughly the size of a football field. In fact, you can fit approximately18 homes(at 2,400 square feet each) in one acre of land. You probably don't need to purchase an entire acre of land and can comfortably build a home with a humble yard ...
Because mining and refining nickel is costly, researchers have developed an alternative method for extracting nickel usingStreptanthuspolygaloides, a plant that absorbs and stores nickel form the soil as it grows. The researchers incinerated a crop ofStreptanthusthey grew in nickel-rich soil. By ch...
A new machine for harvesting corn will allow rows to be planted only fifteen inches apart, instead of the usual thirty inches. Corn planted this closely will produce lower yields per plant. Nevertheless, the new machine will allow corn growers to double their profits per acre because ___. 选...
plant’s oil from the vapor that rises to the top of the container. As the vapor cools and condenses, the oil drips into a collection vessel inside the container. Distillation by this method results in chemical alteration of the plant’s properties and the fragrance of the essential oil ...