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Convert the speed from miles per hour to kilometers per hour. If the speed is given in miles per hour, then multiply by 1.609. If the speed is measured in meters per second (m/s), multiply by 3.6. For example, the speed of 15 m/s corresponds to 15 x 3.6 or 54 km/h. 3. Div...
but by mimicking environmental stressors through controlled fires and selective cutting, crews have managed to strengthen these newbies at an impressive rate, laying the groundwork for new forests of old-growth trees for the centuries to come....
Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.
Houseplants are a great home accessory because they not only look good; they're designed to make you feel good, too. Studies have shown that not only do plants remove carbon dioxide from the air and convert it to oxygen, they also neutralize harmful chemicals like polyethylenes and ...
Russia was a czarist nation when the philosophies of communism started to take hold. For centuries, Russia was ruled by a monarchy that wielded absolute power over the people: theRomanov Dynasty. Czar Nicholas II and his wife resisted the shift toward democracy that much of the world was makin...
During photosynthesis, plants use the energy of the sun to drive a reaction that converts carbon dioxide and water to sugar and oxygen. The sugar produced is then converted to energy in the form ofATP, through the same processes used by our bodies to processcarbohydrates. ...
Although Africa has yet to recover from centuries of foreign domination, many African countries are becoming economic powerhouses in their own right. There is increasing demand from the growing middle classes, and local companies are filling that need expanding. Nobody can predict the growth trajecto...
Columbus's legacy also includes forcing the islands' indigenous people to convert to Christianity and introducing smallpox and other new diseases for which they had no immunity. Between slavery, disease, overwork and famine, it is estimated that the Taino people were reduced from hundreds of thousa...
Transformer - The transformer inside the powerhouse takes the AC and converts it to higher-voltage current. Power lines - Out of every power plant come four wires: the three phases of power being produced simultaneously plus a neutral or ground common to all three. (Read How Power Distribution...