Plastic I guess is the answer
Answer:
polar
Explanation:
It is a polar molecule because it has some sort of charge to each end of the molecule, making it attracting/attracted towards other polar molecules.
Answer:
Solutes dissolved in water on either side of the cell membrane will tend to diffuse down their concentration gradients, but because most substances cannot pass freely through the lipid bilayer of the cell membrane, their movement is restricted to protein channels and specialized transport mechanisms in the membrane.
Explanation:
6. a, 7. c, 8. b , 9. e , 10. d , 11. e, 12.c
Light is an example of an abiotic factor. its also a major energy source