The answer is A.
Bc it’s raining and the temperature goes to freezing or below then the rain can turn into snow and typically temperature decreases naturally at night (or evening in this case)
B. Subgroups
<span>When constructing a dichotomous key, the first step is to look at the group of objects or organisms and separate them into two groups based on a single distinguishing characteristic. Then continue to separate each of the groups until each object has its own separate set of characteristics.</span>