When a perfume bottle is opened, some liquid changes to gas and the fragrance spreads around the room because gases do not have a definite volume.
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Answer: 53 dal
Explanation: 5.3x10=53, to get dal you have to multiply by 10 to get 5.3x10=53.
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Answer:
The Three Mountain Task was developed by Jean Piaget and Bärbel Inhelder in the 1940s to study children's ability to coordinate spatial perspectives. In the task, a child faced a display of three model mountains while a researcher placed a doll at different viewpoints of the display.
Explanation:
The energy increases 9 times !!! From KE=1/2mv^2