What are three aspects of environment? describe them briefly​

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You can always get a sexually transmitted disease. always ask for consent before doing anything..because you never know if your bf or gf has an std!

Unlike  ct scans, which use x-rays,  mri scans  use powerful magnetic fields and radio frequency pulses to produce detailed pictures of organs, soft tissues, bone and other internal body structures.  differences between  normal and abnormal tissue is often clearer on an  mri  image than a  ct.you can see more with a mri scan. for example on an mri you can see internal bleeding.