During this period, the first amphibians and trees appear. Dew Condensation of water on the Earth's surface because of atmospheric cooling. Dew Point Dew point is the temperature at which water vapor saturates from an air mass into liquid or solid usually forming rain , snow , frost or dew . If the dew point is below freezing, it is referred to as the frost point . Diffused Solar Radiation Solar radiation received by the Earth's atmosphere or surface that has been modified by atmospheric scattering .
Process cause the beam of traveling radiation to become less intense.
Diorite Igneous rock of intrusive origin that is both darker and of higher density than granite . Dip One of the directional properties of a geologic structure such as a fold or a fault . Dip is the inclination angle of the formation as measured at right angles to strike . Diploid Cell that contains two sets of chromosomes . Also see haploid .