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a fan is connected to a battery in a series circuit. what kind of energy transfer occurs if the circuit is closed?
a
light energy changes to chemical energy
thermal energy changes to mechanical energy
chemical energy changes to mechanical energy!
d)
mechanical energy changes to chemical energy
!

The correct answer is Chemical energy changes to mechanical energy. Chemical energy in the battery powers the mechanical fan. ON USA TEST PREP

answer is a

explanation:

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.