UPS Package Handler. 1  Unload truck by putting boxes on to conveyor properly so scanner can scan item. 2  Sort boxes by color code, zip code, and area code to different conveyors.  Load [company name] trucks by sorting its number code to the correct area.
The Precambrian or Pre-Cambrian; sometimes abbreviated pÐ is the largest span of time in Earth's history before the current Phanerozoic Eon, and is a Supereon divided into several eons of the geologic time scale.he Precambrian Supereon is divided into three eons: the Hadean (4500-3950 Ma), Archean (4000-2500 Ma) and Proterozoic (2500-541.0 Â± 1.0 Ma). See Timetable of the Precambrian. 1  Proterozoic: this eon refers to the time from the lower Cambrian boundary, 541.0 Â± 1.0 Ma, back through 2500 Ma.
What was the shape and location of the continents during the Precambrian Era? Back in ï»¿ the Precambrian Era there weren't any fully developed continents. What were some major changes to landforms during the Precambrian? ï»¿ Some major changes to landforms were that the Earth formed 4.6 billion years ago, the first sedimentary rock formed about 4 billion years ago, and oceans formed about 4 billion years ago What were some major changes to living things during the Precambrian Era?