How do scientists know that the layer of ice they are looking at was deposited in
1883? (CK-12)

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?

How is an endothermic reaction identified