Which of the following is an example of how a scientist might use a model? a. the end of a slinky is moved vertically up and down to simulate a wave b. a wrench is used to tighten a nut onto a piece of wood c. stopwatches measure the amount of time it takes for runners to complete a mile d. microscopes are used to magnify a group of cells on sets of slides

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61