New Moon: The moon is not visible in the sky. Except during a solar eclipse, Waxing Crescent: The moon is less than one-half illuminated by the sun but less than one quarter illuminated. Occurs when the moon's illumination is increasing, First Quarter: The moon is one-half illuminated by the sun. Occurs when the moon's illumination is increasing, Waxing Gibbous: The moon is more than one-half illuminated by the sun but not completely illuminated. Occurs when the moon's illumination is increasing, Full Moon
Preservationist is generally understood to mean historic preservationist: one who advocates to preserve architecturally or historically significant buildings, structures, objects or sites from demolition or degradation.
Change is slow, constant, and consistent. This definition of gradualism is the result of an earlier definition: gradualism is the principle proposed by Scottish geologist James Hutton in the late 1700s that landforms resulted from slow changes over long periods of time.hange is slow, constant, and consistent. This definition of gradualism is the result of an earlier definition: gradualism is the principle proposed by Scottish geologist James Hutton in the late 1700s that landforms resulted from slow changes over long periods of time.