Can somebody help me about model lungs science fair, can you tell me what I write in the, Hypothesis, Test, Data analysis and graphs, Conclusion, Final report.

by drinking easy

very easy

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

oxygen +1 most likely

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.