Through the process of simple diffusion, materials move across a cell membrane
a.
from an area of lower concentration to an area of higher concentration.
b. between areas of equal concentration.
c. from an area of higher concentration to an area of lower concentration.
d.
all of these
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Through the process of simple diffusion, materials move across a cell membrane from an area of higher concentration to an area of lower concentration.

Option C

Explanation:

Simple diffusion is the process of spontaneous transfer of molecules or materials from one place to other through a thin semi-permeable or permeable membrane. In any organism, cell membranes acts as semi-permeable membrane which will allow the required and necessary materials to pass through it.

And it fluid mechanics, it is known that fluids or materials in fluids usually flow spontaneously without any explicit external force from higher concentration to lower concentration. The term “explicit” is mentioned here because, the external force is there but it is completely visible.

In fluid mechanics, the unbalance in the concentrations will create unequal drag forces or flow force and that will act as external force. Thus, for occurring simple diffusion via a cell membrane, the materials in the fluid tend to flow from higher concentration to lower concentration.

1.new zealand has a large temperate climate while for north has subtropical weather during summer.

i can only answer one

hello

question:

when would a new household be started?

a.when the oldest male died

b.when a man and a woman married

c.when the house could not hold everyone

d.when a child was born

answer: us d when a child was born

hope this have a great day and brainlest