What is density of a mineral?

What is density of a mineral? The density of a mineral is the ratio of its mass to its volume. It is a measure of how much “stuff” is squeezed into the amount of space the mineral occupies. What mineral has a density of 1? Density is a measure of the mass of a substance […]

What the heck is density?

What the heck is density?  Density is the amount of matter (mass) contained within a given amount of space (volume)  There.”— Presentation transcript: 1 This is NOT DESTINY…. How do English people say dynasty? Here are 4 tips that should help you perfect your pronunciation of ‘dynasty’: Break ‘dynasty’ down into sounds: [DIN] […]

What is standard takeoff minimums?

What is standard takeoff minimums? As a quick reminder, standard takeoff minimums for one and two engine airplanes is 1-mile visibility and a 1/2 mile visibility for 3-4 engine airplanes. How do you find alternate minimums? To view the non-standard IFR alternate minimums information, you will need to go to the Airports page > search […]

How hot is too hot for winter tires?

How hot is too hot for winter tires? All-season tires begin to lose their grip once temperatures drop below +7C and are nearly useless for any temperature below -10C. Is 60 degrees too warm for winter tires? They are usually fine as long as temps don’t go too far above 60. It’s better to run […]

What are some good insulators?

What are some good insulators? Plastic, rubber, wood, and ceramics are good insulators. These are often used to make kitchen utensils, such as saucepan handles, to stop heat from flowing up to burn the cook’s hand. Plastic coating is also used to cover most electrical wires in appliances. Air is also a good insulator of […]

What comes through nuclear pores?

What comes through nuclear pores? Each nuclear pore is a large complex of proteins that allows small molecules and ions to freely pass, or diffuse, into or out of the nucleus. Similarly, RNA transcribed in the nucleus and proteins that are destined to enter the cytoplasm have nuclear export sequences that tag them for release […]

Who is the father of atom?

Who is the father of atom? Basic Atomic Structure. The idea that everything is made of atoms was pioneered by John Dalton (1766-1844) in a book he published in 1808. He is sometimes called the “father” of atomic theory, but judging from this photo on the right “grandfather” might be a better term. How thick […]

What evidence does the fossil record provide?

What evidence does the fossil record provide? Fossils document the existence of now-extinct species, showing that different organisms have lived on Earth during different periods of the planet’s history. They can also help scientists reconstruct the evolutionary histories of present-day species. Why are fossils so hard to find? Fossils are rare because their formation and […]

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