Katherine is very interested in cryogenics (the science of very low temperatures). with the of her science teacher she is doing an experiment on the affect of low temperates on bacteria. she cools one sample of bacteria to a temperature of -51 c and another to -71 c. what was the temperature difference in the two experiments?

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step