How does microwaves interact with matter? The interaction of microwaves with matter other than metallic conductors will be to rotate molecules and produce heat as result of that molecular motion. Conductors will strongly absorb microwaves and any lower frequencies because they will cause electric currents which will heat the material. How does a microwave cause […]
What did the Minoans trade for?
What did the Minoans trade for? The Minoans were involved in the tin trade, critical in the Bronze Age. Tin, alloyed with copper which may have come from Cyprus, was used to make bronze. They also traded in ceramics, copper, gold and silver. The Minoan fleet appears to have been a trading fleet, but with […]
What factors contributed to the current decline in the rate of unemployment?
What factors contributed to the current decline in the rate of unemployment? This decline in the unemployment rate trend has been driven by downward trends in the entry rates into unemployment, both from employment and from OLF, likely due to population aging, better quality matches between workers and jobs, and other structural factors. What causes […]
What was used before the telegraph?
What was used before the telegraph? Prior to the electric telegraph, semaphore systems were used, including beacons, smoke signals, flag semaphore, and optical telegraphs for visual signals to communicate over distances of land. What was life like before the telegraph? Before the development of the electric telegraph in the 19th century revolutionized how information was […]
How do magnets work simple explanation?
How do magnets work simple explanation? All magnets have north and south poles. Opposite poles are attracted to each other, while the same poles repel each other. When you rub a piece of iron along a magnet, the north-seeking poles of the atoms in the iron line up in the same direction. The force generated […]
When driving at night other traffic you should not look directly at oncoming headlights instead?
When driving at night other traffic you should not look directly at oncoming headlights instead? When driving at night with other traffic, you should not look directly at oncoming headlights. Instead: watch the right edge of your lane and quickly check the position of oncoming vehicles. This answer has been confirmed as correct and helpful. […]
What is the proper technique for anchoring?
What is the proper technique for anchoring? Attach the line to a bow cleat. Never tie the line to the stern: the additional weight could bring on water. Slowly lower the anchor from the bow, rather than the stern, to avoid capsizing or swamping. When the anchor has hit bottom—and sufficient rode is given out—give […]
What is the perimeter of a 9cm square?
What island lies off the coast of China in the East China Sea?
What island lies off the coast of China in the East China Sea? Matsu Island, Chinese (Wade-Giles) Ma-tsu Tao or (Pinyin) Mazu Dao, also called Nankan, small island under the jurisdiction of Taiwan in the East China Sea, lying off the Min River estuary of mainland China and about 130 miles (210 km) northwest of […]
Is residential construction growing?
Is residential construction growing? This time around residential starts and spending are increasing. Over the final 5 months of 2020, new Residential construction starts posted 4 of the 5 highest monthly totals since 2004-2006. Total 2020 residential starts are up 7%, but the average for the last 5 months is up 10% from the same […]