Q: When solvent molecules selectively pass through a membrane from a dilute solution to concentrated solution, what process is occurring? Choices: - plasmolysis - active transport - diffusion - osmosis A:
osmosis

(Question)
Q: What does a theory need to be supported by? Choices: - facts - peer reviewed journals - scientists - many observations A:
(Answer)
many observations

Ques: Q: Where do most amphibians live, salt water or fresh water? Choices: - aquariums - deserts - saltwater - fresh water A:
Ans: fresh water

(Q).
Q: Most liquid freshwater is under the ground in layers of what? Choices: - forest - sand - soil - rock A:
(A).
rock

Ques:Q: How many variables are used to describe the condition of a gas? Choices: - five - one - three - four A:

Ans:four

Q: What is the process that breaks down rocks into smaller pieces? Choices: - erosion - bracing - bleaching - weathering A:
weathering