A science class conducts an experiment about temperature and the motion of particles. The students are given three cups. Each cup holds
150 milliliters of water. Cup A has water at room temperature, cup B has cold water, and cup C has very warm water. The students add three
drops of red food coloring to the center of each cup at the surface of the water. They observe the water for 1 minute.
What is the responding variable in this experiment?
O A. the number of cups
O B. the temperature of the water
O c. the amount of water in each cup
O D. the rate of dispersion of the food coloring
Answers: 1
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The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.
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