Interesting Questions And Answers| Ignored Truths

If you say 70% then you are partially right. Seven-tenths of earth's surface is covered in water. But taking the Earth's mass into consideration water doesn't even account for fiftieth of one percent.The Earth is big-it weighs about 6 million,billion,billion kg. Half of this is mass is contained in the lower mantle, the massive semi-molten layer that begins 660 km (410 miles) below the crust, the mass of the land is forty times greater than that of the oceans.

A Japanese  experiment reported in Science in 2002 suggests that there may be five times as much as water dissolved in the lower mantle than sloshing around the Earth's surface. Using a pressure of 200,000 kg per cm and temperature of 1600^o C, the researchers created four mineral compounds similar to those found in the lower mantle. They added water and measured how much of it was absorbed.

If the Japanese are right, the proportion of the world that is water will have to be revised upwards - to 0.1 per cent.

No! Your guess is wrong! rain Drops aren't tear shaped, they are spherical. 10 graders may sometimes get through this confusion when they come across Oil drop experiment to find the charge of an electron. Where Oil drops are regarded as a sphere. Of course there is no doubt that they are spheres.

May be that's why ball-bearing and lead shots are round too. They exploit the same property of falling liquids in their manufacturing process. In their manufacture molten lead is dropped through a sieve from a great height into a cooling liquid and becomes spherical.

Shot-drop towers used to be built for this purpose until the festival of Britain in 1951 there was one next to waterloo Bridge in London. At just over 71m (234 feet) Phoenix Shot Tower in Baltimore was the tallest building in America until the Washingtoon Monument surpassed it after the Civil War.

The highest known mountain is on Mars.It is called as the Mount Olympus or Olympus Mons (Latin). This giant volcano is the highest in the solar system and in the Known Universe.

Image Credit: Space Art

Olympus Mons:

At 22 km (14 miles) high and 624 km (388 miles) across, it is almost three times the height of mount Everest. Olympus Mons is so wide that its base would cover Arizona, or the whole of the area of British Isles. The crater on the top is around 72 km (45 miles) wide and over 3 km (nearly 2 miles) deep, easily big enough to swallow London.

 

Criticisms for Mount Olympus being  the highest mountain:

But Olympus Mons doesn't conform to most people's idea of a mountain as It is flat-topped -like a vast plateau in a sea drained of water and its sides aren't even steep. Their slight incline of between one and three degrees means you wouldn't even break a sweat if you climbed it.

We Traditionally measure mountains by their height. If we measured them by their size, it would be meaningless to isolate one mountain in a range from the rest. That being so, Mount Everest would dwarf Olympus Mons. It is part of gigantic Himalaya-Karakoram-Hindu-Kush-Pamir range which is nearly 2400 km (1500 miles) long.

Its Mosquitoes. The female ones specifically. Half the human beings who ever died, perhaps as many as 45 billion people, have been killed by female mosquitoes (the male only bites plants). Mosquito really means 'Small Fly' in Spanish and Portuguese.But you wont realize how dangerous they are until you read this entire article.