What is the most energy efficient heating system for homes? Active solar heating may be the most efficient option for heating your home. Electric resistance heating can be expensive to operate, but may be appropriate if you heat a room infrequently or if it would be expensive to exte… What is the most economical heating […]
What is not considered during sprint planning?
What is not considered during sprint planning? Sprint planning can become ineffective when your team does not have a properly refined product backlog from which to draw product backlog items. Another issue arises when you don’t establish a specific goal for the sprint and wind up with a set of unrelated items that the team […]
Why secondary maxima are less intense than the central maximum?
Why secondary maxima are less intense than the central maximum? Why does the intensity of the secondary maximum become less as compared to the central maximum? Answer: The intensity of light of a secondary maximum goes on decreasing with the order of the maximum. Hence, the intensity of secondary maxima becomes less as compared to […]
How do I know if my glasses are plastic or glass?
What are the 5 steps of an action potential?
What are the 5 steps of an action potential? The action potential can be divided into five phases: the resting potential, threshold, the rising phase, the falling phase, and the recovery phase. How does a neuron get activated? A neuron is activated by other neurons to which it is connected. In turn, its own activation […]
Did Japan surrender because of the bomb?
Did Japan surrender because of the bomb? Nuclear weapons shocked Japan into surrendering at the end of World War II—except they didn’t. Japan surrendered because the Soviet Union entered the war. Japanese leaders said the bomb forced them to surrender because it was less embarrassing to say they had been defeated by a miracle weapon. […]
Is rural living safe?
Is rural living safe? Compared to cities and suburban areas, rural locations are the most dangerous places to live. A study found that “your risk of death is actually about 22 percent higher in the most rural counties in America than in the most urban ones.” Death rates in the exurbs are higher for a […]
What causes big fluffy clouds?
What causes big fluffy clouds? “Although most clouds look light and fluffy, they are in fact highly turbulent with very strong air currents within them and an enormous mass of suspended water,” he says. Do stratus clouds bring rain? Stratus clouds are uniform and flat, producing a gray layer of cloud cover which may be […]
How do you identify uranium?
How do you identify uranium? Uranium is a silvery-gray metallic weakly radioactive chemical element. It has the chemical symbol U and atomic number 92. The most common isotopes in natural uranium are 238U (99.27%) and 235U (0.72%). What is the most common use for uranium? A radioactive, silvery metal. Uranium is a very important element […]
Is all light polarized?
Is all light polarized? Most light sources emit unpolarized light, but there are several ways light can be polarized. One way to polarize light is by reflection. Light reflecting off a surface will tend to be polarized, with the direction of polarization (the way the electric field vectors point) being parallel to the plane of […]