A student hypothesizes that water from infrequently used school faucets contains more chemical impurities than the water from frequently used faucets At the same time of day, the student uses a water test kit to measure the water impunities from the different faucets Which is the manipulated variable in
this investigation?
The time of Day when the water is collected
The chemicals used to test the water
the amount of water per sample
the locations of water collection

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

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