What is the deadliest volcanic eruption? Here are the five deadliest volcanoes in history: Tambora, Indonesia (1815) The largest recorded volcanic eruption in history, Tambora caused enough starvation and disease to kill approximately 80,000 people. Krakatau, Indonesia (1883) Pelée, Martinique (1902) Ruiz, Colombia (1985) Unzen, Japan (1792) Did Pompeii have a tsunami? Although records suggest […]
Which is least stable Carbocation?
Which is least stable Carbocation? -Hence, out of the given options, the carbocation that has the least number of substituents is CH3−CH2−+CH2. So, it will be the least stable species. Why vinyl cation is unstable? The vinyl cations are less stable due to the difference in hybridization of the carbon bearing the positive charge. Since […]
Is flat soda OK to drink?
Is flat soda OK to drink? “Carbonated drinks, flat or otherwise, including cola, provide inadequate fluid and electrolyte replacement and cannot be recommended,” they said. THE BOTTOM LINE: Flat soda, a popular remedy for upset stomach, may do more harm than good. How fast does soda go flat? Soda will keep better if several servings […]
Is radiology a dangerous career?
Is radiology a dangerous career? The practicing radiologist in the United States receives an annual average x-ray dose of 3.2 mSv. This dose of radiation results in between 17 and 28 cancer deaths among the 19,000 radiologists at risk, or an excess cancer risk of between 0.53% and 0.87%. Is it dangerous to be a […]
What is a positive aspect of having an ultrasound?
What is a positive aspect of having an ultrasound? Ultrasounds offer many advantages: They are generally painless and do not require needles, injections, or incisions. Patients aren’t exposed to ionizing radiation, making the procedure safer than diagnostic techniques such as X-rays and CT scans. What does not show up on an ultrasound? Ultrasound images are […]
How many different taxes are there?
How many different taxes are there? 12 specific taxes What are the most important taxes? As shown in figure 1 above, income taxes are the largest tax base in the United States. Income taxes (including taxes on individual and corporate income; and for the federal government, deductions from payrolls for social insurance and retirement) are […]
How fast can a bullet travel in space?
How fast can a bullet travel in space? At 9000km altitude, escape velocity is about 7.1km/s. A rifle’s muzzle velocity is around 1km/s, so a bullet fired from a stationary position would either be caught in an orbit or eventually fall to Earth, depending on the direction of fire. Will a Sig Sauer fire underwater? […]
What is the normal response to a decrease in blood pressure upon standing?
What is the normal response to a decrease in blood pressure upon standing? Upon standing from a supine position, the normal response is an increase in heart rate to maintain blood pressure (BP). In patients with chronotropic incompetence, heart rate may not increase upon standing, and they may experience orthostatic hypotension (OH). Can stress cause […]