What is a hobo and what did they do? A hobo is a migrant worker or homeless vagrant, especially one who is impoverished. The term originated in the Western—probably Northwestern—United States around 1890. Unlike a “tramp”, who works only when forced to, and a “bum”, who does not work at all, a “hobo” is a […]
Do water pumps turn off automatically?
Do water pumps turn off automatically? The pump will automatically switch off upon detecting the lack of supply water, protecting the pump from incurring any damage. Some pumps have an automatic re-start function, which will try to re-start the pump at regular intervals to check whether water has become available. What happens when a water […]
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Why was the Roman Empire so violent?
Why was the Roman Empire so violent? The Romans were extremely cruel and violent, perhaps an effect of their reliance on slaves. The economy, money, commerce, travel, bureaucracy, laws — so many things in our world find a parallel in the Roman world, even though often in a much less sophisticated form. Was the Roman […]
How do shellfish eat?
How do shellfish eat? Shellfish do not need clean water to grow, BUT shellfish must have clean water to be safely eaten. That is because clams, oysters, mussels and scallops are filter feeders – they get their food by pumping and filtering massive amounts of water through their bodies each day. What do crabs get […]
What is the fern Sporophyte?
What is the fern Sporophyte? Spores, rather than gametes, are the unicellular, haploid products of meiosis in fern plants. Spores in turn undergo mitotic cell divisions to produce the multicellular, haploid gametophyte. Relative to the familiar sporophytes, the fern gametophytes are small and inconspicuous. What are the three parts of Sporophyte? The nucleus of the […]
How does the groundhog predict spring?
How does the groundhog predict spring? According to tradition, if a groundhog comes out of its hole on this day and sees its shadow, it gets scared and runs back into its burrow, predicting six more weeks of winter weather; no shadow means an early spring. How does a groundhog predict weather? On Groundhog Day, […]
Does the Great Salt Lake have an outlet?
Does the Great Salt Lake have an outlet? Great Salt Lake, the shrunken remnant of prehistoric Lake Bonneville, has no outlet. Dis- solved salts accumulate in the lake by evapora- tion. Salinity south of the causeway has ranged from 6 percent to 27 percent over a period of 22 years (2 to 7 times saltier […]
What are the secrets of heaven?
What are the secrets of heaven? The first major theological work of the Swedish scientist-turned-seer Emanuel Swedenborg, Secrets of Heaven is in one sense a traveler’s account. It reveals the unseen realms that await beyond death–the light, the warmth, and harmony of the angelic heavens and the varied darkness of the multitudinous hells. What is […]
What started the war on terror?
What started the war on terror? War on terrorism, term used to describe the American-led global counterterrorism campaign launched in response to the terrorist attacks of September 11, 2001. How many civilians killed war on terror? It was the worst year in terms of civilian deaths, with over 29,000 people losing their lives in violence. […]