What does a whale body have that hints it had an ancestor that lived on land? Lungs
Tiny hip bones
Gills
Hand bones

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

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