Passive membrane processes are those that do not require energy and move substances down a concentration gradient; namely, these are diffusion, facilitated diffusion and osmosis.
It is an organic substance.
Leachate
In the MSW (municipal solid waste) landfill, contaminated water from wastes is known as leachate. Leachate is the contaminated liquid (water) produced when percolating liquid, especially rainwater drains through wastes that are placed in a landfill. When the liquid enters wastes, it separates or filters out constituents from the wastes which result in the formation of leachate.
<span>The arctic hare lives in the harsh environment of the North American tundra. These hares do not hibernate, but survive the dangerous cold with a number of behavioral and physiological adaptations. They sport thick fur and enjoy a low surface area to volume ratio that conserves body heat, most evident in their shortened ears. These hares sometimes dig shelters in snow and huddle together to share warmth.</span>
The importance is that the second one has more surface area because it has the outside are and the inside area too
