Una sustancia orgánica esta formada únicamente por C(64'80%) y O (resto hasta 100%). En condiciones normales 2 g del compuesto gaseoso ocupa 604'4 cm3. Calcula la fórmula empírica

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

i think that the answer is c

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

hope this mark me brainliest