The location where a crime occur is called a crime scene. There are two types of crime scene, primary and secondary crime scenes. The primary crime scene refers to the place where the crime actually takes place. The secondary crime scene is to some extent related to the crime but it is not the original place of occurrence of the crime.
In the question given above, the primary crime scene is the lockers' room, where the thief took the car's key from. Information about the identity of the thief, such as finger prints can be obtained at the primary crime scene.
Answer:
The answer would be the first one
Explanation:
Answer:
Chemicals that are secreted from antigen-presenting cells then activate helper T cells.
Explanation:
Answer: supercontinents
Triassic
amphibians
Carboniferous
For glaciation to begin, something needs to cause Earth's temperatures to drop. If this happens, snow that falls on the polar ice caps does not melt, and glaciers grow. As snow and ice reflect sunlight, the Earth's temperature is reduced even further, causing glaciers to continue growing.
Sea level changes cause marine transgressions and regressions. During a marine transgression, the shoreline moves inland, leaving sedimentary deposits that contain fossils. The shoreline retreats during a marine regression, leaving behind the deposited sediments.
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