You've been planning a hiking trip in a mountainous area which is known for it's recent volcanic activity. what factors would you determine your planned route?

trachea, alveoli, lung capillaries, arteries

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

hope it ,

bioteacher101

the answer

b.) bowling ball