A. Osmosis is the answer for this question
Answer: HI your question is incomplete but i will provide a general answer that can help you
answer : Permeable Rock layers allow the flow of fluid like substances through them, While Impermeable rock layers do not allow the flow of fluid like substance through them.
Explanation:
Permeable rocks are rocks containing pores through Fluid like substances can penetrate through in the rocks. examples of Permeable rocks are ; Sandstones and Chalk
While an Impermeable rock is a rock that does not allow the flow of fluid like substance through it due to the absence of pores in its rock layers . examples of such rock are ; Clay and marble
Although some permeable rocks might exhibit low level of permeability as well but generally Rock sample with pores are classified as permeable rock layers.
<span>Aspirin/Paracetamol/Ibuprofen are all extremely toxic to cats when an incorrect dose is given. Whilst common medication can be beneficial to some animals when given in the correct dose, it can also be highly dangerous. For example, one normal-strength tablet of paracetamol is highly toxic for a cat, and another just a day later will prove fatal.</span><span />
<span>The best
medicine for the constriction of the vessels rod from brain is caffeine.
Caffeine can be found in various foods and drinks such as coffee,
cocoa, cappuccino, frappuccino, soft/energy drinks, chocolate/energy
bars, cough syrup, and other medications.
Answer: Caffeine</span>
C) A cell membrane.
Bacteria are unicellular and do not have a nucleus.
i hope i helped:)