Which of the following would be considered a source of error in an experiment?

a. laboratory mice are similar but not identical to each other.
b. a student makes a mistake when measuring volume.
c. the hypothesis was unrelated to the research question.
d. temperature readings are made late in the day, when everyone is tired and eager to go home.

Laboratory mice are similar but not identical to each other. (apex)

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answer is

human impact on the environment can be seen in the deterioration of the !

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the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.