They're biggest mistake was going through ice but they ended up having another problem which was how cold it was but they over came the cold by wearing alot of layers of clothes they also took all the wet clothes off very fast and had hot drinks often the last problem they had was drifting ice pans which could collide causing walls of ice to ride out of nowhere or to break apart throwing them into the freezing Waters far away.
What Melissa can infer by observing her dog's behavior is that he wants to play catch.
The active voice asserts that the person or thing represented by the grammatical subject performs the action represented by the verb.
The passive voice makes the subject the person or thing acted on or affected by the action represented by the verb.