As air mass cools, water will condense when: a) the humanity reaches the dew point. b) the relative humidity equals the standard humidity. c) the air pressure reaches the atmospheric pressure. d) the temperature reaches the dew point.

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.