Which of the following does not describe a unit? a A unit is usually preceded by a number. b A unit compares what is being measured with a previously defined size. c The choice of unit depends on the quantity being measured. d A unit is not needed to find a solution to a problem.

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

What is the name of the enzyme that forms at the start of transcription?