Q: What group of animals has permeable skin that makes them vulnerable to pollution? Choices: - fish - mammals - reptiles - amphibians A:
amphibians

Q: What do you call a mixture in which some particles settle out of it when it is left standing? Choices: - emulsion - alloy - homogenous - suspension A:
suspension

Q: Q: In science, what is supported by much evidence, widely accepted by credible scientists, and unlikely to be disproved? Choices: - law - concept - hypothesis - theory A:
A: theory

Question: Q: In an environment, symbiosis, competition, and relying on other organisms for food are examples of what? Choices: - collaboration - commensalism - adaptation - interaction A:
Answer: interaction

*Question*
Q: What happens when an increase in temperature of a gas in a rigid container happens? Choices: - gas explodes - pressure decreases - container shrinks - pressure increases A:
**Answer**
pressure increases

(Q).
Q: What term means that only molecules or ions of a certain size, shape, polarity or charge are capable of passing through the material? Choices: - classic permeation - induced permeation - radiation permeation - selective permeation A:
(A).
selective permeation