The adverb clause here is <span>"since the sun came out" - it gives some information about the timing of the event.
It modifies "feels" (actually I would say that it modifies the phase "feels warmer") - this "feeling" happens since the sun came out, that's when it started!</span>
Answer:
the speakers may be kind of inexperienced, The wrong act that someone did, should be judged according to the circumstances .So His voice is to be listened once even if he is guilty
Ethanol leaves a person hand cold after they use hand sanitizer