Why is it important for the epidermis to not be too efficient in protecting the body from UV radiation? Explain how a caldera forms. When you look up into the sun, your eyes hurt. Why does this happen, and what can you do to prevent this?
How does alpha decay happen? How does alpha decay release protons and neutrons? How does carbon-14 decay? What are the three types of nuclear decay? What happens in alpha and beta radioactive decay? Why doesn't atomic mass increase in beta minus decay?
neg 否定式 does not, contracted form 缩约式doesn't/ 5dQznt; `dQznt/; pt did/ dId; dId/, neg 否定式 did not, contracted form 缩约式 didn't/
So, how does radiation therapy for prostate cancer affect the bladder? "In the acute phase of radiation therapy, symptoms of bladder irritation, including swelling of the bladder mucosa, may occur, but hemorrhagic cystitis usually occurs several months or years after radiation therapy due to damage...
Why does radiation cause genetic mutation? Why does incest cause genetic mutations? How do mutations lead to genetic variation? What causes germline mutations? What causes acquired mutations? Why aren't mutations in non-reproductive cells sources of genetic variation?
[translate] aYou guys make it happen everytime! That is why I can't help but fall in love all over again. 你们做它发生everytime! 所以我不能帮助,但是重新坠入爱河。[translate]
Why does this happen? The studies in my thesis give several reasons. For one, its a systemic flaw, such as standard orders for samples to be taken when some are not medically justified. Then there's the doctor-patient relationship. My interview studies show that doctors often have a strong...
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Female Student: I don't see how that could happen. I thought anything living would die in outer space.Male Student: There's no air, no food.Professor: Yes and there's extreme temperatures, cosmic rays, ultraviolet radiation, but experiments involving bacteria in space have shown that they ...
He wanted to understand the biological action of the radiation. Does that bring us closer to your own area of study? Widerøe’s contribution in that field was very relevant to what people were working on at that time. It is interesting to take principles and methods from one subject area...