C is the answer I just check it on mine
B). It was produced from photosynthesis
Your answer is precipitation: <span>Any or all of the forms of water particles, whether liquid or solid, that fall from the atmosphere (e.g., rain, hail, snow or sleet). It is a major class of hydrometeor, but it is distinguished from cloud, fog, dew, rime, frost, etc., in that it must fall. It is distinguished from cloud and virga in that it must reach the ground.(Grammarly)</span>
In the simulation, neon and argon have particles that are single atoms. On the other hand, each particle of oxygen is made of two atoms of the same kind. Hope this helps