What is rapid combustion give an example? Burning of LPG is an example of rapid combustion. In this combustion, the combustion of combustible material is complete. LPG burns rapidly and produces heat and light. What is meant by spontaneous combustion? Spontaneous combustion, the outbreak of fire without application of heat from an external source. Spontaneous […]
What are 5 scientific laws?
What are 5 scientific laws? What are the five scientific laws? The five most popular scientific laws are Hooke’s Law of Elasticity, Archimedes’ Principle of Buoyancy, Dalton’s Law of Partial Pressures, Bernoulli’s Law of Fluid Dynamics and Fourier’s Law of Heat Conduction. Do scientific laws and legal laws have anything in common? Scientific laws may […]
Does all water run through water heater?
Does all water run through water heater? The cold water service line slopes away from the water heater after splitting from the main line. Instead of sending water through the heater, cold water service lines run directly to every water appliance in the home. To get to every appliance, these pipes need to run throughout […]
Where do most humans live?
Where do most humans live? The world’s two most populated countries, China and India, together constitute about 36% of the world’s population. Africa is the second most populated continent, with around 1.34 billion people, or 17% of the world’s population. How many years do human live? 79 years What country has the least population? Vatican City […]
Why is poverty a threat?
Why is poverty a threat? The indignity and sufferings of people living in poverty is a humanitarian tragedy. It is a challenge putting pressure on all societies. Poverty is the root cause of many problems, posing a severe and distinct threat to food security, climate change resilience, insecurity, democracy, human rights amongst others. What poverty […]
How can matter be transferred?
How can matter be transferred? In ecosystems, matter and energy are transferred from one form to another. Matter refers to all of the living and nonliving things in that environment. Nutrients and living matter are passed from producers to consumers, then broken down by decomposers. Decomposers break down dead plant and animal matter. How energy […]
Why red is more energetic than yellow?
Why red is more energetic than yellow? Since, red light has lower frequency than yellow, yellow has higher momentum than red, not mass. In a way, it’s the momentum of photons which cause the radiation pressure. If the hotter an object, the brighter it glows (more energy), then why is a blue flame less visible […]
Why is there a weird smell in my house?
Why is there a weird smell in my house? A musty or dusty smell is often a sign of mold or mildew, especially in humid or moisture-prone environments like the basement, laundry room, kitchen, or bathroom. Mold and mildew can create severe respiratory problems and can exacerbate allergies and asthma in sensitive individuals. How do […]
What are some examples of primary and secondary sources?
What are some examples of primary and secondary sources? Primary and secondary source examples Primary source Secondary source Letters and diaries written by a historical figure Biography of the historical figure Essay by a philosopher Textbook summarizing the philosopher’s ideas Photographs of a historical event Documentary about the historical event What are examples of sources? […]
What are the advantages and disadvantages of coal power?
What are the advantages and disadvantages of coal power? Coal energy is an affordable energy source because of the coal’s stable price compared to other fuel sources. Coal is easy to burn. Coal produces high energy upon combustion. Coal energy is inexpensive. Why should we not use coal? In 2012, coal accounted for 37.4% of […]