Brian is a forensic investigator studying a tool mark on a door jam. He has gone through the steps of collecting the tool mark evidence. Next, he searches for an item that might have made the tool marks. What steps should he take with suspected objects he finds? Identify and describe the tool.
Compare the tool mark cast and the comparison cast under a microscope.
Photograph the tool.
Make a comparison cast of the tool.

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Amajor source of energy for your body comes from

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure.which would most likely occur in the kidney? a)more water would be transferred from the nephron.b)less water would be absorbed into the nephron.c)the amount of water in the bladder would decrease.d)the amount of water in the blood would increase.