<span>When carbon dioxide is passed through water, some of it dissolves. A small fraction of the dissolved CO2 interacts with the water to become carbonic acid, H2CO3.</span>
Answer:
smallest unit element are made of
Selectively Permeable means that some things can move across the cell membrane while others cannot.
Here is a sentence: Because of the selectively permeable membrane, the germs were kept out while the food went in.
It can be done by you only
- First observe the figure or model .
- Then note the observations about its molecular structures .
- Then write it uses and why it is commercial most usable.