Why did Germany not invade Sweden? Hitler did not invade Sweden because he did not want to waste valuable troops in Scandinavia when he had other concerns. The Swedes proved their neutrality by not letting Germany use Swedish airspace: when the Germans flew over Sweden to attack Norway, the Swedes fired back with anti-aircraft guns. […]
What is near and far point of a normal eye?
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 you measure wind speed without an anemometer?
How do you measure wind speed without an anemometer? A much simpler way to measure wind speed is with a ribbon tied to a stick. Once calibrated, the device will allow the casual kite-flyer or sailor an indication of the wind speed. Place the three ribbons on top of each other and tie them together […]
What does it mean if the bottom number of your blood pressure is over 100?
What does it mean if the bottom number of your blood pressure is over 100? The next stage of hypertension, stage 2 hypertension, is diagnosed when your systolic pressure is 160 mm Hg or higher or your diastolic pressure is 100 mm Hg or higher. A diagnosis of hypertension means that you need treatment to […]
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 […]
Why is a 1982 D penny rare?
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 is required for charges to leave an object?
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 […]
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 […]