People developed a variation of creutzfeldt-jakob disease from
a. mosquitos that bit affected cattle.
b. personal contact with other affected people.
c. eating beef from cows with mad cow disease.
d. touching plants affected by viroids.

The answer is C. Eating beef with mad cow disease.

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

Answerinaccuracy;