(a)what is the wavelength (in nanometers) of light having a frequency of 2.7 x 10^13 hz? . (b) what is the frequency (in hertz) of light having a wavelength of 310nm?

One does not belong why? ice, gold ,wood ,diamond and table salt

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium