When an electric current operates a buzzer makes a sound? Explanation: When a buzzer is attached to a certain circuit and we press the key then the circuit gets complete. As a result, the current will start to flow from the batter or cell and moves towards the buzzer. Thus, buzzer produces sound due to […]
What is the most energy efficient heating system for homes?
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 […]
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. […]
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 […]
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. […]
Is all light polarized?
Is all light polarized? Most light sources emit unpolarized light, but there are several ways light can be polarized. One way to polarize light is by reflection. Light reflecting off a surface will tend to be polarized, with the direction of polarization (the way the electric field vectors point) being parallel to the plane of […]
How can you tell if a tornado is coming?
How can you tell if a tornado is coming? What are the Signs of a Tornado ? Cloud Base. The Cloud Base is actually and consistently rotating (EVEN IF SLOWLY). Wall Cloud. A Wall Cloud, a large LOWERING cloud formation. Dust Debris. Sudden Stop | Eerily Quiet. Intense Wind Shift. Greenish – Black Sky. Very […]
What is NADH and its function?
What is NADH and its function? NADH stands for “nicotinamide adenine dinucleotide (NAD) + hydrogen (H).” This chemical occurs naturally in the body and plays a role in the chemical process that generates energy. NADH is used for improving mental clarity, alertness, concentration, and memory; as well as for treating Alzheimer’s disease and dementia. What […]