Why is a 1982 D penny rare? Newly found 1982-D Small date copper cent. The Mint switched over from striking copper-alloy to copper-plated zinc planchets sometime in mid-1982 as a cost saving measure – the copper-alloy planchets were too expensive to strike and the Mint was losing money. But it didn’t end there. What are […]
What do the 4 macromolecules do?
What do the 4 macromolecules do? Nucleic acids: Stores and transfers info. Carbohydrates; Store energy, provide fuel, and build structure in body, main source of energy, structure of plant cell wall. Lipid: Insulator and stores fat and energy. Protein: Provide structural support,transport, enzymes, movement, defense. Which macromolecules can you live without? Carbohydrates and lipids make […]
What acetone Cannot dissolve?
What acetone Cannot dissolve? Many kinds of plastic do not dissolve in acetone. Polypropylene and nylon are unaffected, PTFE unsurprisingly handles it just fine as well. Two kinds of plastic that do dissolve in acetone are PVC and polystyrene. Why is nail polish soluble in acetone but not in water? Nail varnish does not dissolve […]
How do plants lift water?
How do plants lift water? Hydraulic lift is the passive movement of water from roots into soil layers with lower water potential, while other parts of the root system in moister soil layers, usually at depth, are absorbing water. What is hydraulic conductivity used for? Hydraulic conductivity is a physical property which measures the ability […]
What crimes fall under concurrent jurisdiction?
What crimes fall under concurrent jurisdiction? Therefore, federal and state courts may have concurrent jurisdiction over specific crimes. For example, a person who robs a bank may be tried and convicted in state court for robbery, then tried and convicted in federal court for the federal offense of robbery of a federally-chartered savings institution. When […]
What is the working principle of capacitor?
What is the working principle of capacitor? A capacitor works on the principle that the capacitance of a conductor increases appreciably when an earthed conductor is brought near it. Hence, a capacitor has two plates separated by a distance having equal and opposite charges. What is the main function of capacitor? A capacitor is an […]
How do you write a comforting message?
How do you write a comforting message? Examples “We are so sorry for your loss.” “I’m going to miss her, too.” “I hope you feel surrounded by much love.” “Sharing in your sadness as you remember Dan.” “Sending healing prayers and comforting hugs. “With deepest sympathy as you remember Robert.” “I was saddened to hear […]
Who is famous for playing the clarinet?
Who is famous for playing the clarinet? Famous Classical Clarinetists The clarinet is an integral part of any symphony orchestra and the list of notable clarinetists is lengthy. Among twentieth century musicians, three of the most-mentioned are Martin Frost, Sabine Meyer, and Richard Stoltzman. Is clarinet the hardest instrument to play? The clarinet is no […]
Is human eye better than camera?
Is human eye better than camera? Most current digital cameras have 5-20 megapixels, which is often cited as falling far short of our own visual system. This is based on the fact that at 20/20 vision, the human eye is able to resolve the equivalent of a 52 megapixel camera (assuming a 60° angle of […]