MALE PROFESSOR: Yes. A waveguide,usually it refers to a device, like a metal conductor, that's used to guide and direct waves.But waveguides also occur naturally—they make a path for radio waves to follow in our atmosphere.These natural waveguides occur when the Sun is rising or setting,...
(a) What is UV radiation? (b) What is light? (c) What is the relationship between them? Give a reason for the nature of ionizing radiation. Explain why radon stands out as an important source of exposure to naturally occurring ionizing radiation. ...
How does solar radiation (light) influence transpiration, and what two characteristics of solar radiation probably play a role in this? Explain the effects of radiotherapy on breast cancer and the side effects that may occur. What effect did you observe when different colored filters were placed ...
compared to those exposed to an intermediate dose of radiation. However, this was only true for cells undergoing division and not for quiescent cells (see fig. 2). DNA double-strand breaks are known to occur naturally during cell division. Such breaks are usually...
But waveguides also occur naturally. They make a path for radio waves to follow in our atmosphere. These natural waveguides occur when the Sun is rising or setting, which makes sunrise and sunset good times to pick up VLF emissions.
Which statement is true about nuclear fusion? (a) It is caused by the same process that causes nuclear fission (b) It does not occur naturally in the solar system (c) It has a very low activation energy (d) It produces nearly all the elements that are hea ...
Carbon dioxide is a naturally occurring gas that is essential for life but has harmful effects upon the environment if it is released into the atmosphere in high concentration. This is true both in direct and indirect ways. Direct emissions are those which are produced directly by the burning ...
Heart palpitations:Heart palpitations can feel like a fluttering, pounding, or skipping sensation that lasts for seconds to minutes or longer, and may occur when you are active or at rest. With hypothyroidism, your heart has more difficulty regulating its pace, which can result in seemingly rando...
Because of the huge size difference between a Saint Bernard and a Chihuahua, it would be possible to put both types of dogs on the same island and have the exact same process occur. The Saint Bernards would naturally breed with only the Saint Bernards and the Chihuahuas would naturally breed...
When treating prostate cancer patients with radiation therapy, the goal is to destroy the cancer cells while avoiding damage to surrounding healthy tissue. Anatomy without SpaceOAR Hydrogel The prostate is next to the rectum and naturally separated by a small space. Due to the proximity, prostate ...