Read the passage below and choose the right answer to the following question (choices are higher or lower ): With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH. James wants to create a solution that is more acidic than others, so his concentration of hydrogen ions will be higher or lower?
higher
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Read the passage below and choose the right answer to the following question (choices are greater or lesser ): People in the richer nations of the world use far more energy, especially energy from fossil fuels, than people in the poorer nations do. Jan lives in a great country and she is rich. Compared to another person in a poorer country, Jan will use an amount of energy that is greater or lesser?
greater
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Read the passage below and choose the right answer to the following question (choices are orange or apple ): Objects with greater mass have a stronger force of gravity between them. If Mona is comparing an orange and an apple and she determines that the apple is less massive then the orange, which object has more gravity orange or apple?
orange
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Read the passage below and choose the right answer to the following question (choices are alkane with fewer carbon atoms or alkane with more carbon atoms? ): Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature. Kathy did some experiments on two different alkanes and one of the alkanes had twice as many carbon atoms than the other. She would notice that which alkane would require a lower temperature to melt alkane with fewer carbon atoms or alkane with more carbon atoms??
alkane with fewer carbon atoms
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