Is the Mid Atlantic Ridge growing or shrinking? The Mid-Atlantic Ridge runs down the center of the Atlantic Ocean, slowly spreading at a rate of 2 to 5 centimeters (0.8 to 2 inches) per year and forming a rift valley that is about the depth and width of the Grand Canyon. What is the Mid […]
Does emphysema qualify for disability?
Does emphysema qualify for disability? Emphysema that causes poor lung function often qualifies for disability benefits. Emphysema is a chronic disease of the lungs caused by long-term exposure to smoke or air pollution. The lungs of an emphysema sufferer can’t hold their physical shape or function properly because the supporting tissue has been destroyed. Does […]
Was Ireland ever wooded?
Why is an ocean classified as a surface wave?
Why is an ocean classified as a surface wave? Why is an ocean wave classified as a surface wave? Because it moves along the surface of the sea. As waves enter shallow water, friction causes the bottom of the wave to slow down, but the top of the wave continues forward, carrying anything floating on […]
What is the equation of a Travelling wave?
What is salt bridge and its uses?
What is salt bridge and its uses? A salt bridge or ion bridge, in electrochemistry, is a laboratory device used to connect the oxidation and reduction half-cells of a galvanic cell (voltaic cell), a type of electrochemical cell. It maintains electrical neutrality within the internal circuit. Why do we need salt bridge? The purpose of […]
Can I get IRB approval after the fact?
Can I get IRB approval after the fact? IRB APPROVAL CANNOT BE GIVEN AFTER THE FACT, SO IT IS IMPORTANT TO DETERMINE IF YOU NEED IRB APPROVAL BEFORE SUBJECTS ARE RECRUITED AND RESEARCH COMMENCES. How long is IRB approval? about two to three weeks What is the IRB approval process? Under FDA regulations, an IRB […]
Is resting potential positive or negative?
Is resting potential positive or negative? This is important because the increased flow of positively charged potassium ions out of the cell (relative to the rate of Na+ movement into the cell) results in a net negative charge inside the cell; the negative sign in the resting membrane potential represents the negative environment inside the […]
How strong should an earthquake be before it can produce a destructive tsunami?
How strong should an earthquake be before it can produce a destructive tsunami? Usually, it takes an earthquake with a Richter magnitude exceeding 7.5 to produce a destructive tsunami. Most tsunamis are generated by shallow, great earthquakes at subductions zones. More than 80% of the world’s tsunamis occur in the Pacific along its Ring of […]
What is the importance of expansion joints in concrete or steel roads?
What is the importance of expansion joints in concrete or steel roads? The expansion joints allow for easy movement of concrete slab edges when the concrete of the deck expands or contracts. As a result, the expansion joints prevent the he deck slabs from colliding and cracking, tension cracking and bending out of shape. Does […]