What is the difference between denudation and erosion? Erosion has been compared with the carpenter’s plane that strips away layer upon layer in the finest shavings, while denudation is the disclosure of what is often called a new erosion surface. One may say that a karst is an eroded landscape, but not necessarily a denuded […]
Why is total energy always conserved?
Why is total energy always conserved? The total amount of energy and matter in the Universe remains constant, merely changing from one form to another. The First Law of Thermodynamics (Conservation) states that energy is always conserved, it cannot be created or destroyed. In essence, energy can be converted from one form into another. What […]
Which bird can kill snake?
Which bird can kill snake? secretary birds Why are they called Secretary birds? The origins of the secretary bird’s name are much debated. One theory is that the feathers jutting out behind the bird’s head reminded 19th-century Europeans of the quill pens that secretaries tucked behind their ears, while its grey and black body was […]
Does aluminum foil make a good insulator?
Does aluminum foil make a good insulator? Aluminum foil can be an effective insulating material because it doesn’t radiate heat out into the environment. That’s what makes it effective directly under a roof: although it will warm up through conduction from the shingles, it won’t radiate that heat out into the attic space. What metal […]
What are 5 characteristics of a good leader?
What are 5 characteristics of a good leader? The 5 Essential Qualities of a Great Leader Clarity. They are clear and concise at all times–there is no question of their vision and what needs to be accomplished. Decisiveness. Once they have made up their mind, they don’t hesitate to commit–it’s all hands on deck. Courage. […]
Why do objects stick together in inelastic collision?
Why do objects stick together in inelastic collision? An inelastic collision is one in which objects stick together after impact, and kinetic energy is not conserved. This lack of conservation means that the forces between colliding objects may convert kinetic energy to other forms of energy, such as potential energy or thermal energy. Why is […]
What are 2 disadvantages of wind power?
What are 2 disadvantages of wind power? The two major disadvantages of wind power include initial cost and technology immaturity. Firstly, constructing turbines and wind facilities is extremely expensive. The second disadvantage is technology immaturity. What are 5 disadvantages of wind energy? Here are a few: The wind is inconsistent. Wind turbines have a visual […]
Is helium bad for you to inhale?
Is helium bad for you to inhale? The more pure helium you inhale, the longer your body is without crucial oxygen. Breathing in pure helium can cause death by asphyxiation in just minutes. Inhaling helium from a pressurized tank can also cause a gas or air embolism, which is a bubble that becomes trapped in […]
What does 1 t represent in rate of reaction?
What does 1 t represent in rate of reaction? 1/t means that the order of reaction is a first order. Meaning that the rate of reaction is directly proportional to reactant concentration. Scientists work with the standard units, therefore 1/t is 1 divide by 1 second. How do you find the activation energy given two […]
What is ideal voltage source?
What is ideal voltage source? By definition, an ideal voltage source is a two-terminal element with the property that the voltage across the terminals is specified at every instant in time. This voltage does not depend on the current through the source. That is, any current in any direction could possibly flow through the source. […]