Answer:
When experiments are carried out or research is done in a certain field of knowledge the scientist at first hypothesise certain knowledge or make theoretical hypotheses about that field of knowledge.
And then conduct the experiment or research to derive certain conclusions and get answers which they can apply on the hypothesis made or on the previous knowledge they have and thereby confirm or negate the hypothesis.
When two scientists are working on similar experiment and they tend to differ in the conclusions drawn by the result, as they get from experiment then it is called as confirmation bias among the scientists.
The answer to your question is Hubble’s law
Polar liquids evaporate slower than nonpolar liquids
Well red blood cells carry oxygen to muscles
Circulatory system is probably the answer you are looking for.
The answers to this question is b, I did this on Plato
