How do substances like CO2 and water move in and out of the cell?
(Please Answer) :)

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There are three processes you need to know of:

Diffusion, Osmosis and Active Transport.

Liquids (such as water) move via osmosis.

Osmosis is literally the movement of particles across a partially permeable membrane from an area of high conc to an area of low conc.

CO2 would move via either diffusion or active transport.

Diffusion is the movement of particles across the concentration gradient (i.e from high conc to low conc)

Active transport is the movement of particles against the conc gradient (i.e from low conc to high conc)

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one comes through sex and the other does not lul im not

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.