It's the 4 the answer I hope it has served you
The answer is C- Excretory system. Hope this helps :)
Condensation, because when water vapor turns into water again it needs to release energy to do so. Its like turning ice into water again.
I hope this helped ^_^
<span>Lotion applied during winter season moisturise the skin very quickly, this is because during the winter season, the skin is normally drier than summer season so any moisturizer applied to the skin during this period will quickly be absorbed by the skin in order to keep the skin moist.</span>