Thick rubber gloves prevent electric shock because

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

Heterogeneous mixture with larger particles that never settle is