Answer:
Wegner proposed the theory of Continental Drift (Pangea). Continental Drift is a theory that at one time, all of the continents were stuck together in this one giant land mass. They drifted apart slowly and formed into our modern day world. Hope this helps!
The correct answer is wood. wood is a renewable source.
I guess the stomach is held in place by a variety of Muscle cells, Epithelial cells, and connecting tissues; so the answer is: all of the above.
To complete the statement above:
Ions are transported across membranes using channel-mediated facilitated diffusion; which requires <span>kinetic energy.
The channels can be opened by the requirements of the cell. Transmembrane proteins, called transporters, utilize the vitality of ATP to drive particles or little atoms through the layer against their focus angle.
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