Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot.
The answer is a) Baking soda!
Answer:
A
Explanation:
i have to say A but im not sure this is hard
ANSWER: The sun.
EXPLANATION: Thus, evaporation occurs when liquid is converted to vapour by either wind or the Sun.
The complete water cycle is depicted below.
The process of evaporation/ transpiration (from trees)
Condensation
Precipitation
Seepage (when water sinks into the earth but is typically omitted from the equation for some reason hehe)
