Hello!
We know that the movement of molecules from an area of low concentration to high concentration. This movement is <em>against</em> the concentration gradient and thus requires the use of adenosine triphosphate (ATP) to successfully move. This process is the opposite of diffusion, which requires the use of no energy because it moves materials <em>DOWN</em> the concentration gradient.
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A simple leaf blade is undivided as shown on the left (though the margins may be toothed or even lobed). The blade of a compound leaf is divided into several leaflets as shown on the right. ... Each leaf, whether simple or compound, has a bud at its base (on the twig). There are no buds at the base of each leaflet.
Answer:
plates moving
rocks breaking
movement below the surface
Explanation:
I believe the answer is carbon dioxide. Please let me know if i can help with anything else