An escarpment (or scarp) is a type of cliff, formed by the movement of a geologic fault or a landslide. Most cliffs have some form of scree slope at their base. In arid areas or under high cliffs, they are generally exposed jumbles of fallen rock. In areas of higher moisture, a soil slope may obscure the talus.
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Posts. 469. If you run a t8 bulb on a t12 ballast you will have premature bulb life as the t12 ballast will over tax the bulb. If you run it vice versa and have a t8 ballast running a t12 bulb you will have premature ballast life as the t12 bulb takes more to run and will over work the ballast.25. Originally Posted by fireryan If you run a t8 bulb on a t12 ballast you will have premature bulb life as the t12 ballast will over tax the bulb. If you run it vice versa and have a t8 ballast running a t12 bulb you will have premature ballast life as the t12 bulb takes more to run and will over work the ballast.