A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment.
Or in other words, a scientific theory is an explanation for why things work or how things happen. Scientists develop theories based on their observations of the world around them. Theories are based on ideas that can be tested. Theories are not speculative, or based on a guess.
It allows them to study the interactions of multiple variables and simulate large scale experiments
The best method of submitting evidence to a crime lab would be through personal delivery. Thismethod would ensure that the package doesn’t mixed up or contaminated while beingtransported. Personal delivery is also better than mail shipment because with personal delivery<span>the investigators know that the evidence will not get lost or stolen</span>
