Futures prices for crude oil can be higher, lower, or equal to spot prices. The price difference between the spot market and the futures market says something about the overall state of the oil market and expectations for it. If the futures prices are higher than the spot prices, this usua...
Agitating the water surfaces also solves another problem:water that has too much saturated gas.If the water contains too much gas then bubbles will form all over the fish’s externals and internals, threatening its life. This is because the gases are escaping the water to balance out the pres...
This is because, according to the researchers, reptiles require less water, produce fewer greenhouse gases, are moreresilientto extreme climatic conditions and don't transmit diseases like bird flu or Covid-19. Resilient: adj. 有适应力的 Would Australians put snake on their plate? Natusch lives ...
The low density of gases and liquids leaves more room for their molecules to move around than in solids. So instead of a warmer particle warming the particles next to it by conduction, warm molecules are becoming lighter than cold particles, where the forces of physics make it that the ...