This method for detecting cardiovascular disease requires a dye to be injected into the coronary arteries followed by a fluoroscope to see where the dye goes and to find blockages. a. ultrasound b. angiography c. electrocardiogram d. blood pressure monitoring !

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport