One of Penelope Eckert's findings about California accents is that when people are and want to stay involved in their home community, they:
A. develop a unique accent.
B. tend to adopt a speech pattern with less of an accent.
C. copy the English they hear on the radio.
D. tend to talk like locals.
E. often develop extended versions of nonverbal communication among peer groups.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

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explanation:

-t poses

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.