I explained I wanted to descend as quickly as possible to camp IV in order to warm myself and gather a supply of hot drink and oxygen in the event I might need to go back up the mountain to assist descending climbers. ↗
The ease with which barley may be substituted directly for wheat in human food and its usefulness to replace wheat milling by-products as feed in the production of the milk supply render its abundant production important. ↗
To supply people for ages in camps makes no sense... you have to rebuild that cabana that they rent out to tourists on the weekend. They need help getting their fields repaired and their boats repaired. ↗
Here in the United States, we have between 250 and 300 years of a coal supply. That is more than the amount of recoverable oil contained in the entire world. ↗
Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply. ↗