English part.
- Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality.
- Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live.
- Ahthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expression.
- Of the millions who saw Haley’s Comet in 1986, how many people will live long enough to see it return in the twenty-first century.
- The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse.
- Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls sold individually.
- The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.
- Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them.
