Which applications, either for diagnostic purposes or for therapeutic purposes, involve the use of X-rays? Check all that apply. CT scan
MRI
radiography
brachytherapy
laser eye surgery
radioisotope imaging
external beam radiation therapy
fluoroscopy

the bal will not change its velocity.

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

increase masses, decrease separation

answerdmitry mendeleyev made a workable classification of the elements