I would go with information gathered using the senses.
Inferring is using someone’s reasoning so that’s be most likely.
<span> The </span>smallest<span> particle of a </span>substance that retains the<span> chemical and physical properties of the </span>substance<span> and is composed of two or more atoms; a group of like or different atoms held together by chemical forces.</span>
"A study of the different amounts of time it takes water to evaporate completely"
Diffusion<span> is the spread of particles through random motion from regions of high concentration to regions of lower concentration. Because </span>diffusion<span> works without barriers, when </span>smoke<span> is emitted into the air, it can easily travel to surrounding areas. hope this can help you ^_^ </span>
