It will become a theory after repeated experimentation
Answer:
Channel protein.
Explanation:
Channel protein have gate that opens and close which allow the passage of polar substance or ions to move to permeable membrane of the cell by diffusion. They are water filled and allow the movementof charged molecules inside and outside the cell membrane i.e polar molecules move through non polar bilayer of the cell membrane.
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Answer:
Question 26.
B. deposition
Question 21.
Erosion is a destructive force because they disassemble landforms and ultimately destroy the features. Kind of like cultural traits/aspects being diminished. Whereas, deposition is a constructive force because the depositing of sediments can literally form entire landforms- like sand dunes. It takes bits by bits or sediment by sediment to build an entire structure.