A GUI, or graphical user interface, uses visual markers and icons for user customization
sharing
installation
interaction
Pls pls help

a community that experiences major changes undergoes progress

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

sex cells are usually half's then they find another half and make a fertilize egg