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 […]
What is chain drill?
What is chain drill? Chain drills are exercises that allow learners to practice dialogue, build vocabulary and develop clearly stated ideas about a familiar topic using repetition as the primary teaching strategy. 1. The learners build on the statements made by adjacent learners in the same way that links are added to a chain. What […]
What is rapid combustion give an example?
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 […]
Does it matter where you put the dots on a Lewis structure?
Does it matter where you put the dots on a Lewis structure? In almost all cases, chemical bonds are formed by interactions of valence electrons in atoms. To facilitate our understanding of how valence electrons interact, a simple way of representing those valence electrons would be useful. Again, it does not matter on which sides […]
What is density of ice in KG?
What is density of ice in KG? Density of Ice Bibliographic Entry Result (w/surrounding text) Standardized Result Density. Air Travelers. Oregon Museum of Science and Industry (OMSI), 1996. “Substance, Ice; Density kg/m3, 917” 917 kg/m3 What is the density of 100 kg of ice? For example a 100 kg block of ice might have a […]
What are disadvantages of modeling?
What are disadvantages of modeling? Disadvantages of modelling and simulation Mistakes may be made in the programming or rules of the simulation or model. The cost of a simulation model can be high. The cost of running several different simulations may be high. Time may be needed to make sense of the results. What are […]
What makes a boiling egg float?
How can I strengthen my heart?
How can I strengthen my heart? Top 10 healthy heart tips Give up smoking. If you’re a smoker, quit. Get active. Getting – and staying – active can reduce your risk of developing heart disease. Manage your weight. Being overweight can increase your risk of heart disease. Eat more fibre. Cut down on saturated fat. […]
Can alcohol be used in a thermometer?
Can alcohol be used in a thermometer? The two common liquids used in liquid in glass thermometers are alcohol (ethanol) and mercury. alcohol is not used in thermometer. Are alcohol based thermometers accurate? Alcohol thermometers are also inexpensive and durable. They are typically not as accurate as mercury thermometers because of the alcohol’s susceptibility to […]
What are the two types of athletics?
What are the two types of athletics? There are two types of athletics events: track and field. Track events are running and walking races. Field events are jumping and throwing contests. Objects thrown by athletes include a hard disk, called a discus, and a light spear, called a javelin. What is the another name of […]