Answer: C. Their camera
Toolmarks are the impressions left by an object or tool on it's contact surface. Toolmarks are searched and collected in a crime scene to relate a link with the tool which has created them. In crime scene investigation, toolmarks found in the scene of crime should be photographed by the analyst in close range, mid range and overview range shots in order to record it's original location, shape, size and number if multiple tool marks are present.
<span>The correct answer is A. atoms. Atoms are studied by physics and chemistry, not by ecology. Ecology studies organisms, populations, and the earth in terms of climate, pollution prevention, natural habitats and biomes, and all kinds of similar things that are related to living on earth. Atoms are irrelevant for the study of ecology.</span>
Answer:
Microorganisms can be found both in the external environment (ecosystem) and the internal environment (microflora) of higher organisms.
Explanation:
Microorganisms (microbes) are microscopic forms of life that include bacteria, protists, fungi and animal species, these organisms can se differentiated by using laboratory techniques such as the Polymerase Chain Reaction (PCR) or by microscopes. These organisms are both beneficial and both beneficial and pathogenic for humans. For example, the microflora may be useful in digesting nutrients contained in the food. On the other hand, <em>Plasmodium falciparum</em> is a pathogen microorganism that is found in the digestive system of mosquitoes and cause malaria in humans.
controll is your awser you vary a factor to measure the results