What are the two main classifications of minerals?

What are the two main classifications of minerals? The two kinds of minerals are: macrominerals and trace minerals. Macro means “large” in Greek (and your body needs larger amounts of macrominerals than trace minerals). The macromineral group is made up of calcium, phosphorus, magnesium, sodium, potassium, chloride, and sulfur. How many types of minerals are […]

Can stainless steel be plated with copper?

Can stainless steel be plated with copper? Copper. mainly used for its superb conductive properties, copper-plated stainless steel is used for printed circuits and semiconductors and printed circuits. To improve adhesion, you can put down a layer of nickel before plating with copper. How long does it take to plate copper? ~40 min. ~7.5 min. […]

Which material does sound travel fastest through?

Which material does sound travel fastest through? How fast speed travels, or the speed of sound, depends on the kind of matter it is moving through. Of the three phases of matter (gas, liquid, and solid), sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Can you hear sounds better […]

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 […]

Do light bulbs have high or low resistance?

Do light bulbs have high or low resistance? Incandescent light bulbs have a small filament which when heated begins to glow and emit light. The reason the filament heats up is because it has a high resistance, which means that as electrons move through the filament, they lose a lot of energy. Does a brighter […]

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 […]

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 are the main components of a map?

What are the main components of a map? There are three Components of Maps – distance, direction and symbol. Maps are drawings, which reduce the entire world or a part of it to fit on a sheet of paper. Or we can say maps are drawn to reduced scales. But this reduction is done very […]

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