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trapecia [35]
2 years ago
10

Give a example of a contact force And an example of a force that acts at a distance

Biology
1 answer:
Aloiza [94]2 years ago
6 0
An example of force that acts at distance is gravity and an example of contact force is pushing a chair across the room
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Active transport and facilitated diffusion with the use of channel and carrier proteins are both ways by which ions, polar and large molecules cross a selectively permeable membrane.

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Facilitated diffusion transport from a high to low concentration, which is through a concentration gradient and hence, no energy is required to perform the task.

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