When stomata are open, carbon dioxide enters the plant through stomata. Carbon dioxide is necessary for the process of photosynthesis in which it is converted together with water into oxygen and glucose. For most plants, it is necessary that stomata are opened during the day when there is a lot of Sunlight also necessary for the process of photosynthesis.
However, some plants from the arid locations have <span>stomata closed during the day, so they reduce water loss that way. In the night when is colder, stomata open and carbon dioxide enters through stomata. </span>
An ideal gas is one in which the gas molecules do not
interact with each other, hence intermolecular forces of attraction is
negligible. For this to occur, the pressure must be low and temperature is high
so that the volume or space between molecules is very large. This can be taken
from the ideal gas equation:
PV = nRT
where an increase in temperature and decrease in pressure
makes the volume increase
<span>So a noble gas other than radon which would depart most
readily from ideal gas behaviour must have also a high density. From the
tables, this would be Xenon.</span>
Facilitated diffusion i think
hope it helps
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