Answer:
atmospheric pressure
Explanation:
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To be accurate, a theory must continue to explain new data.
The Correct choice is C. Neptune !
since Neptune is the farthest planet from sun in our solar system, it has to cover the longest orbit.
This is true.
Facilitated diffusion is a process by which molecules are transported across the plasma membrane with the help of membrane proteins.
It is a type of passive transport in which no energy from the cell is required for the process because a concentration gradient exists that allows movement of particles without expending cellular energy.
Materials diffuse across the cell membrane with the help of membrane proteins some of which are known as carrier proteins.
Membrane proteins are proteins that are attached to, or associated with the membrane of a cell or an organelle.
Many animals, like the arctic fox, adapt to their surroundings. When there is snow, the arctic fox have white fur to blend in to their white environment--this helps them catch their prey and also avoid predators. The same thing happens in the summer, when they have brown fur.