EVERYDAY SCIENCE

Detailed explanation-1: -By comparing the number and proportion of gills and spores in a drowned person’s lungs, it is sometimes possible to determine where he or she drowned.

Detailed explanation-2: -Forensic palynology is a subdiscipline of palynology (the study of pollen grains, spores, etc.), that aims to prove or disprove a relationship among objects, people, and places that may pertain to both criminal and civil cases.

Detailed explanation-3: -A forensic botanist must look not only at the different species in an area, but must also calculate the percentages of each species when comparing two locations. 5. Annual rings are formed as a result of differences in color of the lighter springwood and the darker winterwood.

Detailed explanation-4: -Impressions fall into three basic categories: patent, latent, and plastic. Plastic impressions are three-dimensional imprints. These impressions can be left in soft materials such as snow, mud, soil, or soap. Depending on how it is made, impression evidence may be either class evidence or trace evidence.