What temperature does water have to be to kill bacteria?

Some bacteria are actually resistant to the temperature of boiling water (100 degrees C.). To kill all the bacteria, you need to raise the temperature to about 121 degrees C. To get water to this temperature, you must heat it under pressure.

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What does a camel store inside its hump?

Camels do not store water in their humps, as it is commonly believed. The humps are actually reservoirs of fatty tissue. Concentrating body fat in their humps minimizes heat-trapping insulation throughout the rest of their body, which may be an adaptation to living in hot climates.

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How many islands are there in the Maldives?

The Maldives lies in two rows of atolls in the Indian Ocean, just across the equator. The country is made up of 1,190 coral islands formed around 26 natural ring-like atolls, spread over 90,000 square kilometers.

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What element has the largest atomic mass?

It is also known as eka-radon or element 118, and on the periodic table of the elements it is a p-block element and the last one of the 7th period. Ununoctium is currently the only synthetic member of group 18. It has the highest atomic number and highest atomic mass of all the elements discovered so far.

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Are zebras black with white stripes or white with black stripes?

Many zoologists would say that a zebra is white because its stripes end towards the belly and the belly is mostly white. Others would say that a zebra is black because if you shaved all the fur off a zebra the skin is mostly black. So it really depends on how you want to look at it.

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How long does it take for caffeine to take effect?

It only takes 45 minutes for 99% of the caffeine to be absorbed through these membranes. In humans the half-life for caffeine is anywhere from 2.5 to 4.5 hours, which explains why the average energy drink or coffee's effect lasts about 2 to 3 hours.

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How many miles is a nautical knot?

It is slightly more than a statute (land measured) mile (1 nautical mile = 1.1508 statute miles ). Nautical miles are used for charting and navigating. A knot is one nautical mile per hour (1 knot = 1.15 miles per hour ).

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Why do mosquito bites itch?

While bees and wasps inject venom when they sting, mosquitoes simply bite to feed on your blood. The bumps and itchiness that follow come from an anticoagulant that the mosquito injects to prevent your blood from clotting, which triggers a mild allergic reaction that includes the typical round, red bumps.

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How do fish get oxygen out of water?

Gills are feathery organs full of blood vessels. A fish breathes by taking water into its mouth and forcing it out through the gill passages. As water passes over the thin walls of the gills, dissolved oxygen moves into the blood and travels to the fish's cells.

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How long does it take for food to pass through the digestive system?

Digestion time varies between individuals and between men and women. After you eat, it takes about six to eight hours for food to pass through your stomach and small intestine. Food then enters your large intestine (colon) for further digestion, absorption of water and, finally, elimination of undigested food.

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Are potato skins healthy?

Potato skin contains B vitamins, vitamin C, iron, calcium, potassium and other nutrients. Potato skin also provides lots of fiber, about 2 grams per ounce. If you eat a medium baked potato, including the skin, you'll get nearly 4 grams of fiber, 2 milligrams of iron and 926 grams of potassium.

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What are our five senses?

The nervous system has a specific sensory system or organ, dedicated to each sense. Humans have a multitude of senses. Sight (ophthalmoception), hearing (audioception), taste (gustaoception), smell (olfacoception or olfacception), and touch (tactioception) are the five traditionally recognized.

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