How do you hook an ammeter and a voltmeter in a circuit?

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Which statement correctly describes the relationship between frequency and wavelength?

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?