Using scientific principles describe a device that you could design and test to minimize thermal energy transfer from the cup of cocoa after removing from microwave

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.

Which terms are used to identify pure substances

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays