What materials block radio waves most effectively? Thin amounts of plastic wrap, wax paper, cotton and rubber are not likely to interfere with radio waves. However, aluminum foil, and other electrically conductive metals such as copper, can reflect and absorb the radio waves and consequently interferes with their transmission. How much RF does a cell […]
Was Newton an average student?
Was Newton an average student? You see, when Newton first started his studies at The King’s School in Grantham, England, he was, for all intents and purposes a decidedly average student. Now it’s recorded that along with being a fairly average student, Newton was also a very lonely young boy who suffered at the hand […]
What is the toughest question?
What process produces oxygen?
What process produces oxygen? photosynthesis What role does cellular respiration play in the carbon cycle? Cellular respiration is the process by which organic sugars are broken down to produce energy. It plays a vital rolein the carbon cycle because it releasescarbon dioxide into the atmosphere. This means that cellular respirationcan be thought of as the […]
How do you stretch your thigh muscles?
Do sunspots affect weather?
Do sunspots affect weather? A new study in the journal Science by a team of international of researchers led by the National Center for Atmospheric Research have found that the sunspot cycle has a big effect on the earth’s weather. When in the cycle does the maximum number of sunspots occur? Solar maximum or solar […]
What is meant by anodising?
What is meant by anodising? Anodising is an electrolytic process for producing thick oxide coatings, usually on aluminium and its alloys. The oxide layer is typically 5 to 30µm in thickness and is used to give improved surface resistance to wear and corrosion, or as a decorative layer. What is anodising give its application? Anodising […]
What are the 5 sources of heat energy?
What are the 5 sources of heat energy? Here are only some of your many choices for heating energy sources: natural gas, propane (LP), oil, coal, wood, electricity, heat pumps, ground source heat pumps and solar energy. Why sound is important in our daily life? Everything we know is founded upon the human body’s ability […]
What passes through the filtration membrane?
What passes through the filtration membrane? The resulting filtrate is a dilute solution that includes water, electrolytes, wastes, nutrients, and other molecules able to pass through the filtration membrane. The regulation of the rate of filtration is important. What three hormones factors do the kidneys secrete into the blood? The kidney secretes (1) renin, a […]
Is souring of milk a chemical change?
Is souring of milk a chemical change? The souring of milk is classified as a chemical change because it results in the production of sour-tasting lactic acid. Is Melting Point chemical or physical? physical and chemical properties. Examples of physical properties are: color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction (paramagnetic) or […]