Which of the following should not be discussed during safety training

Five examples total of events causing weathering and erosion ( explain)

Aspring is originally 0.4m. when a 23n force is applied it stretches to a total of 0.7m. how far is the spring been extended? what is the spring constant of the spring?

Astudy on students drinking habits wants to determine the true average number of alcoholic drinks all fsu undergraduate students who are members of a fraternity or sorority have in a one week period. we know from preliminary studies that the standard deviation is around 2.6. how many students should be sampled to be within 0.25 drinks of population mean with 95% probability?