Which substance Cannot be separated physically? An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. Can a mixture be pure? Mixtures are physical combinations of pure substances that have no definite or constant composition — the composition of a mixture varies according to who prepares the […]
How many types of green energy are there?
How many types of green energy are there? five What are some examples of green technology? Solar, wind, and hydroelectric dams are all examples of green technology because they are safer for the environment and don’t produce fossil fuel waste by-products. Besides the environmental benefits of these alternative energy sources, they can also be used […]
What are unit places?
What happens to energy when you hold a cube of ice in your hand?
What happens to energy when you hold a cube of ice in your hand? What happens when you hold an ice cube in your hand? The thermal energy from your hand transfers to the ice and melts it. When heat is transferred through matter from particle to particle. It compresses, particles slow down and fall. […]
Why do wet things stick?
Why do wet things stick? When the surface is wet,things stick to wet surfaces because of water molecules(H2O) present under the object forming a sticky layer.It makes the object sticks to the surface. What problem is created if the sand is too wet? A Sticky Problem Fortunately for beach-goers everywhere, a group of physicists at […]
What is the difference between a major organ and accessory organ of digestion?
What is the difference between a major organ and accessory organ of digestion? The digestive system includes the organs of the alimentary canal and accessory structures. The alimentary canal forms a continuous tube that is open to the outside environment at both ends. The accessory digestive structures include the teeth, tongue, salivary glands, liver, pancreas, […]
Why does the volume of a balloon increase during the day but at night decreases?
Why does the volume of a balloon increase during the day but at night decreases? When the ballon is made of elastic material, it expands because of the excess pressure inside. Its volume increases and its internal pressure decreases. As it expands, its buoyancy increases, but not the pull of gravity, so it continues to […]
Does water cool down faster than land?
Does water cool down faster than land? It takes less energy to change the temperature of land compared to water. This means that land heats and cools more quickly than water and this difference affects the climate of different areas on Earth. Different energy transfer processes also contribute to different rates of heating between land […]
What does just us mean NCAA basketball?
What is the head to toe pattern of infant physical development?
What is the head to toe pattern of infant physical development? What is the head-to-toe pattern of infant physical development? Infant bodies develop from the head first, then down to the toes. Infants engage in simple tasks, then gradually undertake more complex ones. What is toxic stress quizlet? Toxic stress. when a child experiences strong, […]