I'm pretty sure it is physical and mental development
With our senses, we pick up on the world around us and react accordingly.
Eyes- see our surrounding, be aware of our direction
Ears- hear other things, we are able to protect ourselves by sound
Nose- scent is least useful but could help us leave a poor situation
Touch- obvious one
Taste- ability to taste any harmful threats Ex. poison food
The answer is D. Directly to the lungs
Answer:
A. more advanced degree usually mean a higher salary
Im pretty sure it's "D"... Hope this helps! :)