What percentage of species have been discovered?

What percentage of species have been discovered?

Even after centuries of effort, some 86 percent of Earth’s species have yet to be fully described, according to new study that predicts our planet is home to 8.7 million species.

Why is snow, white?

White is the result of reflection of all colors. Snow and snowflakes are ice crystals mixed with air molecules. The air gaps between crystals, along with the crystals’ complex shapes, bounces the light beams around so much that all the wavelengths eventually get reflected out, giving it a white color.

When did we get electricity?

In 1882 Edison helped form the Edison Electric Illuminating Company of New York, which brought electric light to parts of Manhattan. But progress was slow. Most Americans still lit their homes with gas light and candles for another fifty years. Only in 1925 did half of all homes in the U.S. have electric power.

Who was the president on the 1000 dollar bill?

However, the Treasury also issued larger denominations. They featured William McKinley ($500), Grover Cleveland ($1,000), James Madison ($5,000), and Salmon P. Chase ($10,000).

How many islands are there in Japan?

Japan is a stratovolcanic archipelago of 6,852 islands. The four largest islands are Honshu, Hokkaido, Kyushu, and Shikoku, which together comprise about ninety-seven percent of Japan’s land area.

How high are the white cliffs of Dover?

The famous White Cliffs of Dover stand guard at the Gateway to England. Millions pass through Dover each year on their journey to or from the continent. In some places over 300 feet high, the White Cliffs are a symbol of the United Kingdom and a reassuring sight to travellers.

Why is Japan called The Land of the Rising Sun?

So from the continental point of view, Japan is in the direction of the sunrise. This is why the Japanese began to call their country Nihon or Nippon, literally meaning “source of the sun” and often translated into English as “land of the rising sun.”

What percentage of the world population lives north of the equator?

Bloomberg Radio host Tom Keene just tweeted a fascinating fact: 90 percent of the world’s people live in the Northern Hemisphere. This map posted by Frank Jacobs at bigthink.com shows population distribution by latitude and that most people live north of the equator.