What is the most energy efficient heating system for homes? Active solar heating may be the most efficient option for heating your home. Electric resistance heating can be expensive to operate, but may be appropriate if you heat a room infrequently or if it would be expensive to exte… What is the most economical heating […]
Why does an apple look green?
Why does an apple look green? Green apples appear green because of chlorophyll in the peel. In red apples, the colour of chlorophyll is masked by the presence of anthocyanins, which are red in colour. Interestingly, anthocyanins accumulate in vacuoles, while the chlorophylls are present in chloroplasts of apple peel cells. Why is the color […]
What do all urban growth boundaries have in common?
What do all urban growth boundaries have in common? What do all urban growth boundaries have in common? Explain. All urban growth boundaries try to protect the spread of urban areas into rural areas. They all have one main goal which is to help preserve parts of the environment. How does living in a smart […]
How do I know if my glasses are plastic or glass?
What is the function of laminar flow?
What is the function of laminar flow? Functions, Types, and Advantages of Laminar Flow Workstation. The flow of the body of air in a uniform direction and velocity is termed as laminar flow. Following this definition, a laminar flow workstation is a carefully designed station that has the ability to direct HEPA filtered air accurately. […]
Did Japan surrender because of the bomb?
Did Japan surrender because of the bomb? Nuclear weapons shocked Japan into surrendering at the end of World War II—except they didn’t. Japan surrendered because the Soviet Union entered the war. Japanese leaders said the bomb forced them to surrender because it was less embarrassing to say they had been defeated by a miracle weapon. […]
What does high or low specific heat capacity mean?
What does high or low specific heat capacity mean? A substance with a high specific heat capacity can absorb a large quantity of heat before it will raise in temperature (water has a high specific heat). A substance with a low specific heat requires relatively little heat to raise its temperature (copper has a low […]
How long does a nuclear fuel rod last?
How long does a nuclear fuel rod last? To make that nuclear reaction that makes that heat, those uranium pellets are the fuel. And just like any fuel, it gets used up eventually. Your 12-foot-long fuel rod full of those uranium pellet, lasts about six years in a reactor, until the fission process uses that […]
What are some safety measures during severe bad weather changes?
What are some safety measures during severe bad weather changes? Stay indoors and move to a shelter – either an internal, ground-floor room with no windows or an official shelter nearby. Board up windows if you know about severe weather far enough in advance. Avoid metal, electrical, and tall objects during a thunderstorm. Never drive […]