The Major Difference between Photosynthesis and Respiration is that Photosynthesis occurs during day time, whereas respiration occurs both day and night. The leaves (and other actively metabolizing tissues) respire during the night. They utilize oxygen and release CO2. There is low...
Non-conventional sources of energy are those sources that are not in common use at this time but are being considered or explored to bring to routinely used in the future. With the exhaustion of conventional sources of energy, the search for...
Despite the information available about the surface of the earth, little is known about the state and composition of its interior. Our knowledge of the deeper interior relies on indirect evidence from the physical measurements of the earth’s mass, volume, density,...
Balanced Diet: Our food consists mainly of proteins, carbohydrates, lipids, vitamins, and minerals. The value of a food is expressed by dietitians in the form of their heat value by the unit calorie. A calorie is the amount of heat required...
In a simple way, we say that it is due to the surface tension. There are some Facts for understanding surface tension: According to the surface tension : Bubbles (hollow drop) Surface tension acts to minimize the surface (radius of the...
Agriculture and Scientific Inventions Agriculture has been revolutionized by scientific inventions. This impact is called the green revolution. Before the scientific era, the most prominent problem for farmers was the uncertain supply of water, storms, change in weather, drought, insects, pests,...
Lung Cancer is a disease of uncontrolled cell division in the tissues of the lungs. The cells continue to divide without any control and form tumors. The cellular growth may also invade adjacent tissues beyond the lungs. The most common symptoms...
Smoking is harmful due to the chemicals in cigarettes and smoke. Tobacco contains over 4,000 different chemicals, out of which at least 50 are carcinogens, and many are poisonous. Cigarette smoke contains numerous carcinogens (substances that may cause cancer), poisonous gases...
