Q: Two identical lamps contain the same amount of different types of oil. They are allowed to burn until all the oil has been burned. Which measurement will best provide the total difference in chemical energy between the two oils?
A: time it took for lamps to use oil
Q: Which two body systems are involved in inhaling oxygen and exhaling carbon dioxide?
A: circulatory and respiratory
Q: Plumes of water vapor have been observed rising from the southern polar region of Enceladus, one of the moons of Saturn. A team of scientists proposed an explanation for the plumes and developed a model. They also published calculations based on their model. These calculations would most likely be used for which purpose in future research?
A: evaluating similar events
Q: In the atomic model that includes a nucleus, the positive charge is
A:
concentrated in the center of the model.