List three (3) tests that can be done on a soil sample and their significance.​

Moisture determination - one of the most important and most widely used measurements in the processing and testing of foods. Since the amount of dry matter in a food is inversely related to the amount of moisture it contains, moisture content is of direct economic importance to the processor and the consumer.

Atterberg limits tests - establish the moisture contents at which fine-grained clay and silt soils transition between solid, semi-solid, plastic, and liquid states. ... Casagrande refined and standardized the tests, and his methods still determine the liquid limit, plastic limit, and shrinkage limit of soils.

Soil Compaction Testing - a crucial step in the construction process. Ground that has not been properly compacted can be detrimental to the structural integrity of buildings, retaining structures, roads and pavements, just to name a few. Essentially, proper soil integrity could make or break your structure

The answer your looking for is a food chain grid. it describes how nature can support itself and survival of the fittest comes into play..

Very minute and important evidence needs to be collected in order together detail and figure out what had happened