Category: Physics

How do we generate electricity from urine? PEE POWER® is generated when microbial fuel cells (MFCs) work by employing live microbes which feed on urine (the fuel) for their own growth and maintenance. The MFC taps a portion of the biochemical energy used for microbial growth, and converts that directly into electricity or PEE POWER®. […]

Does hair color come from Mom or Dad? When Hair Color Is Determined When the sperm meets the egg and develops into a zygote, it typically gains 46 chromosomes. That’s 23 from both the mother and father. All of your baby’s genetic traits — hair color, eye color, sex, etc. — are already locked in […]

What is the effect of leveling the sand dunes on a barrier island? What is the effect of leveling the sand dunes on a barrier island? It makes them more vulnerable to storms. Rip currents are currents that pull objects away from the shore rather than towards it. What is the disadvantage of barrier islands? […]

What is the difference between bacteria and archaea? Responses will vary. A possible answer is: Bacteria contain peptidoglycan in the cell wall; archaea do not. The cell membrane in bacteria is a lipid bilayer; in archaea, it can be a lipid bilayer or a monolayer. Bacteria contain fatty acids on the cell membrane, whereas archaea […]

What can you logically conclude about the relationship between full moons and lunar eclipses group of answer choices? What can you logically conclude about the relationship between full moons and lunar eclipses? A lunar eclipse occurs during all full moons. A lunar eclipse can only occur during a full moon. A lunar eclipse is the […]

What is 10 by 15 cm in inches? Size table of standard photos Size (cm) Accurate size (mm) Size in inches 9 x 13 cm 89 x 127 mm 3,5″ x 5″ 10 x 15 cm 102 x 152 mm 4″ x 6″ 13 x 18 cm 127 x 178 mm 5″ x 7″ 15 […]

What is the density of oxygen in kg m3? 1141 kg/m3 What is the density of gold in kg m3? 19,300 kg/m3 How heavy is 1m3 gold? One cubic meter of gold weighs roughly 19.3 metric tons, or about 42,549.22 English pounds. Is gold high in density? With a density of 19.32 grams per cubic […]

What is the advantages and disadvantages of renewable energy? Disadvantages of renewable energy resources Energy Resource Advantages Disadvantages Hydroelectric power stations Clean and cheap to run Expensive to set up and output could be affected by drought Solar cells Clean and cheap to run Not always sunny and output does not always outweigh initial cost […]

What are the 2 advantages of using solar cooker? 10 Benefits of Solar Cooking Solar cooking is free. Solar cooking is quick and easy. Food cooked with a solar cooker is healthy. Solar cooked food tastes amazing! Solar cookers make no noise. Cooking with sunshine is kind to the environment. Solar cooking ovens are portable. […]

What is the principle of Electroscope? The working principle of an electroscope is based on the atomic structure of elements, charge induction, the internal structure of metal elements and the idea that like charges repel each other while unlike charges attract each other. What is the working of an Electroscope? ELECTROSCOPE : Electroscope is used […]