I’d go with B. (if it’s not then C)
The answer is B .
Biotic factor refers to living things .
Answer:
They fall from the clouds as ice crystals.
They form around particles in the atmosphere.
They form when water vapor is converted directly to ice crystals.
Explanation:
Only toms idea could be scientific since it is testable, can be tested by others, have a hypothesis, and be proven
