1.-¿Por qué es importante saber mi índice de masa corporal?
2.-¿Cómo se relaciona este resultado con la práctica de mi actividad física?
3.-¿Qué puedo hacer con esta información con relación a mi actividad física rutinaria?

They might be white heads, basically pimples but you should ask your parents to check them out before it’s something bad.

Your answer is  d.)relationship between pressure and air volume and led to the understanding of how respiration works

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