I can't answer 1 but 2=First, make sure you weather proof the house, than go from there and try anything you think is necessary in this situation.
Answer:
i dont rlly get what ur asking but basically gasses diffues across the cell membrane from high conc to low concentration.
i dont know what passive transport is but active transport goes against the concentration gradient so im guessing passive is the opposite and goes with the conc gradient
Explanation:
