Answer:
In almost every culture yellow represents sunshine, happiness, and warmth. Yellow is the color most often associated with the deity in many religions (Hinduism and Ancient Egypt) Yellow is the color of traffic lights and signs indicating caution all over the world. Unique Meanings of Yellow in Different Cultures
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1×10-7 moles per liter, good luck
Answer:
In an observational study, we measure or survey members of a sample without trying to affect them. In a controlled experiment, we assign people or things to groups and apply some treatment to one of the groups, while the other group does not receive the treatment.
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