Nature

What percentage of the earth’s water is frozen?

Of the three percent of the water that is not in the ocean, about 69 percent is locked up in glaciers and icecaps. Ninety percent of that frozen water is in Antarctica and about nine percent covers Greenland. Of the remaining freshwater, 30 percent of it is groundwater, captured below our feet.

How many islands does Venice have?

Venice captured the impression of a magical floating city by setting wood pilings on the 118 submerged islands in the Northern end of the Adriatic Sea. 400 foot bridges and 170 boat canals connect the city to make it easily accessible to the local populace.

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.

How often do we get a full moon?

The modern day definition of a Blue Moon is when there are 2 full moons in one Month. A full moon occurs roughly every 29.5 days and on the rare occasions when the full moon falls at the very beginning of a month there is a good chance a Blue Moon will occur at the end of the month.

What percentage of Australia is desert?

Australia contains the largest desert region in the southern hemisphere and a high proportion (around 70%) of the continent is arid or semi-arid (map S1).

What famous North American landmark is constantly moving backward?

Niagara Falls. The rim is worn down about two and a half feet each year because of the millions of gallons of water that rush over it every minute.)

How deep is the deepest part of the Indian Ocean?

The Indian Ocean’s average depth is 12,990 feet (3,960 metres), and its deepest point, in the Sunda Deep of the Java Trench off the southern coast of Java, is 24,442 feet (7,450 metres).