Haroon Rashid
Haroon Rashid answered
Rowland Hill, an English schoolmaster and civil servant, is said to be the first person who floated the idea for adhesive postage stamps in 1837.Hill derived his theme from similar labels that had been issued almost a century ago in parts of Europe as a mode of collecting a tax on newspapers. In a treatise … Read more
Haroon Rashid
Haroon Rashid answered
Margarine, a food product rich in oil facts, is extensively used as a substitute for butter all over the world. French chemist Hippolyte Mège-Mouriès first developed it in 1869 using beef fat as a starting material. It came into use in the United States in 1874. About 80 percent of the fats and oils used … Read more
Haroon Rashid
Haroon Rashid answered
Treatment of lung cancer depends on the type, size and location of the tumor. Other factors such as the stage of disease, and the age and general health of the patient are also accounted for. If there is no proof that the disease has spread beyond the lung, the tumor can be removed by several … Read more
Haroon Rashid
Haroon Rashid answered
Nicotine forms an essential ingredient of tobacco and has addictive effects. Besides tobacco smoke contains more than 4,000 chemical compounds. Out of these at least 43 are cancer-causing compounds. Tobacco is smoked through cigarettes, pipes, and cigar and tobacco-smoking causes lung cancer, emphysema, and other respiratory diseases. Smoking also leads to coronary heart disease while … Read more
Haroon Rashid
Haroon Rashid answered
One of the symptoms of the disease is that a patient vomits for no obvious reason after eating, in which case they need to consult a doctor and have ultrasound to find out if they have gallstones or if the problem is with their gall bladder itself. Sometimes it can be difficult to distinguish the … Read more
Haroon Rashid
Haroon Rashid answered
The major disorder of the gallbladder is the presence of gallstones. Another common disorder is cholecystitis, or inflammation of the organ, which results due to the presence of highly concentrated bile. Gall bladder disease cannot be prevented by any specific measures although weight reduction and reducing intake of fatty foods may help. Ursodiol can shrink … Read more
Haroon Rashid
Haroon Rashid answered
Occultism is a belief in the efficacy of various practices based on hidden knowledge about the universe and its mysterious forces. These practices include astrology, alchemy, divination, and magic. Those who believe in such practices maintain that they can use occult knowledge to effect healing or to predict the future. Occultists may also believe in … Read more
Haroon Rashid
Haroon Rashid answered
Osteoporosis is a bone condition marked by a decrease in mass, making the bones to be more porous and more vulnerable to fractures than normal bones. People suffering with this disease commonly have fractures of the wrist, spine, and the hip but all bones can be affected. Osteoporosis is more common in females than males. … Read more
Haroon Rashid
Haroon Rashid answered
Joanne Kathelen Rowling, born in 165, is a British author known for her magical adventures of Harry Potter. The Harry Potter books have been on the bestsellers lists for over a decade now, attracting both children and adults worldwide. Rowling demonstrated her writing skills as early as age six when she wrote her first story. … Read more
Haroon Rashid
Haroon Rashid answered
Quicksilver or liquid silver is an old name for mercury, an element that is a free-flowing liquid at room temperature. Its atomic number is 80. It was first made known as an element by French chemist Antoine Laurent Lavoisier. He burned mercury in his experiments to determine the composition of air. It is a shinning, … Read more
Haroon Rashid
Haroon Rashid answered
Penicillin is an antibiotic derived from the fungus Penicillium. It can also be created by partially artificial processes. It was British bacteriologist Sir Alexander Fleming who first discovered the action of natural penicillin in 1928. However, it was developed as a medicine by German-British biochemist Ernst Chain, Australian pathologist Sir Howard Florey and other scientists. … Read more
Haroon Rashid
Haroon Rashid answered
The Richter scale measures the strength or size of an earthquake. It was devised in 1935 by American seismologist Charles F Richter. Initially it measured earthquakes occurring in California. Later it was modified to measure earthquakes anywhere in the world. The Richter scale measures the intensity of earthquakes by determining how much the ground shakes … Read more
Haroon Rashid
Haroon Rashid answered
The heart's lower two chambers, the right and left ventricles, serve as powerful pumping stations. These ventricles pump blood into arteries, blood vessels that take away blood from the heart. The two sides pump blood through a different circuit of blood vessels: The right side pumps oxygen-poor blood to the lungs, while the left side … Read more
Haroon Rashid
Haroon Rashid answered
A natural disaster is an event of nature that takes human lives on a large scale or destroys property. A natural disaster can be in the form of an earthquake, a volcanic eruption, a hurricane or a tornado. Natural disasters cannot be averted but if proper safety and rescue measures are adopted, loss of lives … Read more
Haroon Rashid
Haroon Rashid answered
Every computer has a memory by virtue of which it stores data. All data is in form of numbers. A computer stores a number into a specific location in its memory and later retrieves the value. Most computer memories store data in binary number form. In the binary number system, numbers are represented by sequences … Read more
Haroon Rashid
Haroon Rashid answered
Hara-Kiri is a Japanese word meaning "belly-cutting". It is a Japanese practice of ceremonious suicide by disembowelment i.e. Cutting open the stomach and removing the internal organs. It was originally restricted by custom to noblemen but later adopted by all classes. This form of suicide is performed for the sake of honour. Hara-kiri originated in … Read more