… or direction of an applied force. It is used to make tasks easier and less force-needing for humans, by transferring energy from one point to another. It’s main advantage is that it enables a person to exert a force greater than could be exerted by…

… the activity of the enzyme catalase. Catalase breaks down of Hydrogen peroxide H2O2 into water H2O and oxygen O2. catalase 2H2O2 2H2O + O2 catalase Hydrogen peroxide water + oxygen Enzymes…

… on animals is important in understanding diseases and developing ways to prevent them. The polio vaccine, kidney transplants, and heart surgery t Body of Essay : THE IMPORTANCE OF ANIMAL RESEARCH Research on animals is important…

… cells are found in the outer layers of the skin. Skin protects your body against heat, light, infection, and injury. It also stores water, fat, and vitamin D. The skin has two main layers and several kinds of cells. The top layer of skin is called…

… suffered 28 deaths because of the thick smog. Air pollution is an ecological problem having to do with toxins in the air. There are a few things the human race has done to try to prevent air pollution from taking such a serious toll. Two of these are…

… cancer develop in the digestive tract, which is also called the gastrointestinal, or GI, tract. The digestive system processes food for energy and rids the body of solid waste matter (fecal matter or stool). Colon cancer and rectal cancer have many…

… a way of “wireless” communication. He found that you could use radio waves as a signaling system. Marconi discovered that a circuit carrying an electric current that rapidly alternates direction produces radio waves. The sound wave is a type…

… and material world gained through observation of general laws. Therefore, it is generally assumed that science is objective and unbiased. However, in reality, this is not the case. The rules of society determine the way that science is practiced,…

… in the U.S. as a result of a strand of bacteria there was no vaccination for. This strand of bacteria was Bordetella pertussis. Now there are less then twenty fatalities are a year from Bordetella pertussis, whooping cough. Fifty percent of all Bordet…

… belief that Earth wasn't the only planet in the universe that supported life. This belief dates back to ancient times when heavenly and demonic stories were told of gods who strode across the skies on their golden chariots. Tales as far fetched as…