Answer:
A
Explanation:
the selectively permeable membrane should be plasma membrane.
and it states it follow concentration gradient
so i think it is <u>A</u>
osmosis is for water
I hope i helped you.
Answer:
hello :)
Retina is the thin layer of cells at the back of the eyeball where light is converted into neural signals, which is sent to the brain while choroid is the vascular layer of the eye lying between the retina and the sclera.
Also, choroid has more blood vessels.
Explanation:
The correct answer is stem cell research and animal testing.
True, definitions can vary, but this one will do
Answer:
<em>the seasons in the northern hemisphere are the opposite of those in the southern hemisphere </em>